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CBSE Questions for Class 11 Commerce Applied Mathematics Mathematical And Logical Reasoning Quiz 3 - MCQExams.com
CBSE
Class 11 Commerce Applied Mathematics
Mathematical And Logical Reasoning
Quiz 3
In family of six persons, A is the grandfather of F. D and E are children of BC. C and D are females. How is B related C?
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Father
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Mother
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Husband
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Wife
If JOSEPH is coded as FKOALD, then GEORGE will be coded as
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CADMNO
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CAKNIT
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CAKNCA
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JAKINS
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DBLODB
Explanation
Each letter of the word is moved four steps backward to obtain the code.
Shikha is mother-in-law of Ekta who is sister-in-law of Ankit. Pankaj is father of Sanjay, the only brother of Ankit. How is Shikha related to Ankit?
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Mother-in-law
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Aunt
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Wife
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Mother
Explanation
The relation is as following:
It is clearly show that Shikha is the mother of Ankita.
Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?
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Brother
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Nephew
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Uncle
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Son-in-law
Explanation
The father of the girl's uncle is the grandfather of the girl and daughter of the grandfather is sister of her father.
So, daughter of the grandfather is her aunt.
Aunt's son is brother of the girl.
Hence, option A is correct.
In the following question, four numbers/pairs are given out of which three are alike in some manner while one is different. Choose the one which is different from the rest three.
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$$130$$
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$$60$$
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$$24$$
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$$6$$
Explanation
Here, each of the given number is a multiple of $$6$$ except $$130$$ which is not divisible by $$6$$
Hence, option (A) is the correct answer.
In the following question, four numbers/pairs are given out of which three are alike in some manner while one is different. Choose the one which is different from the rest three.
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SUXB
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LNQU
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BDGK
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JLNQ
Explanation
The letters in every word follow a difference pattern of $$+2,+3,+4$$ i.e.
S$$+2\rightarrow$$U, U$$+3\rightarrow$$X, X$$+4\rightarrow$$B.
Similarly for B and C.
But word in option D has a difference pattern $$+2,+2,+3$$.
Thus, it is different from others.
Hence, option D is correct.
Out of the four words, three follows one pattern, while one is different. Choose the one which is different from the rest three.
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ACEGF
0%
FHJLK
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KMOQP
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UWYZA
Explanation
Here, in each of the group, the second letter is two steps ahead of first letter, the third letter is two steps ahead of the second letter and the fourth letter is two steps ahead of the third letter and the fifth letter is one step back to the fourth letter, according to the English alphabet which is not the case with
UWYZA
.
Hence, option (D) is the correct answer.
In the following question, fouralternatives are given out of which three are alike in some manner while one is different. Choose the one which is different from the rest three.
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GEDC
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AZYX
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PNML
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USRQ
Explanation
Option B is the correct answer.
Explanation:
In the following series first letter is moved two steps backward to form the second letter .,second letter is moved one step backward to form the third letter and third letter is moved one step backward to form the fourth letter.
Hence AZYX does not matches the series and do not belong to this group
Four numbers/pairs are given out of which three are alike in some manner while one is different. Choose the one which is different from the rest three.
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$$2442$$
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$$3773$$
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$$4545$$
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$$6776$$
Explanation
Here, all except 4545 have two same digits in the middle.
Hence, option (C) is the correct answer.
If M is Father of N, L is Brother of M and P is Mother of L, then what is the relation of N with P ?
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Grand-Daughter
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Grand-Son
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Father
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Data inadequate
Explanation
From the given information, we can conclude that:
P has two son M and L.
M is father of N.
So, N may be the grand son/grand daughter of P.
option D
Select the odd one from the given series:
$$3, 7, 9, 21, 27, 66, 81, 189, 243$$
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$$27$$
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$$66$$
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$$243$$
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$$21$$
Explanation
Given series is: $$3, 7, 9, 21, 27, 66, 81, 189, 243$$
There are two alternate series :
Series I : $$3, 9, 27, 81, 243$$
Series II : $$7, 21, 66, 189$$
In series I, each number is multiplied by $$3$$ to get the next number whereas in series II except $$66$$, all other numbers are obtained by multiplying previous number by $$3$$.
Also, $$63$$ should replace $$66$$.
Hence, option (B) is the correct.
In the following question, four figures are given. One of these figures does not correlate with the rest of the figures. Find the different figure.
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0%
0%
0%
Explanation
Option C is the correct answer.
Explanation
It is clearly visible that figure a,b and c have a cross cut with line ion one side in middle of pentagon but in figure of option C there is no cross and hence it is different from the rest.
Find the number that does not belong to the group?
$$111,331,482,551,263,383,362,284$$
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$$263$$
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$$331$$
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$$383$$
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$$551$$
Explanation
It follow a pattern :
$$1^{st}$$ digit $$\times$$ $$2^{nd}$$ digit =$$3^{rd}$$ digit i.e.
$$1\times 1=1$$, $$3\times 1=3$$, $$4\times 2=8$$, $$5\times 1=5$$,
$$2\times 3=6$$. But $$3\times 3=9$$ and the number given is $$383$$ instead of $$393$$.
Hence, $$383$$ is the number which does not belong to the group.
Find the odd term out.
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$$8163$$
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$$4236$$
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$$2632$$
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$$5271$$
Explanation
In A, $$8+1+6+3=18$$
In B, $$4+2+3+6=15$$
In C, $$2+6+3+2=13$$
In D, $$5+2+7+1=15$$
Sum of digits of the numbers is divisible by $$3$$.
But C does not follow the same pattern as others.
Hence, option C is the odd term.
Find the odd term
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$$4321$$
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$$3212$$
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$$2116$$
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$$6211$$
Explanation
All other except B, follow the pattern :
$$\Rightarrow$$ sum of digits $$= 10$$. i.e.
$$4+3+2+1=10$$
$$2+1+1+6=10$$
$$6+2+1+1=10$$
But in B, $$3+2+1+2=8$$.
Hence, option B is the odd term.
Find the odd term out.
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336
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508
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504
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720
Explanation
All other terms except $$508$$, are divisible by $$3$$.
Hence, $$508$$ is the odd term.
In a certain code. MONKEY is written as XDJMNL. How is TIGER written in that code ?
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QDFHS
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SDFHS
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SHFDQ
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UJHFS.
Explanation
In a certain code, SIKKIM is written as THLJJL. How is TRAINING written in that code ?
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SQBHOHOH
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UQBHOHOF
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UQBJOHHO
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UQBJOHOH
Explanation
Choose the odd one out from given four choices.
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64
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96
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121
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144
Explanation
$$96$$ is not a perfect square but the others are
If TAP is coded as SZO. then how is FREEZE coded ?
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EQDFYG
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ESDFYF
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GQFDYF
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EQDDYD
Explanation
If DELHI is coded as CCIDD, how would you
encode BOMBAY?
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AJMTVT
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AMJXVS
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MJXVSU
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WXYZAX
Explanation
Which of the following words would correctly decode the word ZHOFRPH if the simple alphabet shifting code is used ?
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ARTISTS
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COMPUTE
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MAILING
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WELCOME
Explanation
After shifting three place backward of the coded word ZHOFRPH, we get WELCOME.
In certain code, PAPER is written as SCTGW. How is MOTHER' written in that code ?
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ORVLGW
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PQVJGT
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PQXJJT
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PQXKJV
Explanation
A's mother is the only daughter of B's father.
How is B's husband related to D.
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Uncle
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Brother
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Father
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Grandfather
Explanation
i.e. B's husband is father of A.
Which are the twins ?
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L,N
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N,O
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L,O
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cannot be determined
Explanation
L and M are of same sex and M is the only child in the family. So, Land M cannot be twins. Hence N and O are twins,
If DIAMOND is coded as VQYMKLV, then WEALTH is coded as
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CUYNFR
0%
HTLAEW
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YCONWJ
0%
XFBMUI
Explanation
$$A\leftrightarrow Y, B\leftrightarrow X, C\leftrightarrow W, D\leftrightarrow V,E\leftrightarrow U,F\leftrightarrow T,G\leftrightarrow S,H\leftrightarrow R,I\leftrightarrow Q,J\leftrightarrow P,K\leftrightarrow O,L\leftrightarrow N,M\leftrightarrow M.$$
If red is called 'air', air is called 'black' black is called 'sky' sky is called 'blue' blue is called 'wind' and wind is called 'white' where do birds fly?
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air
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sky
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wind
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blue
Explanation
Birds fly in sky and sky is called blue.
If DIAMOND is coded as VQYMKLV, then WEALTH is coded as-
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CUYNFR
0%
HTLAEW
0%
YCONWJ
0%
XFBMUI
Explanation
$$A\leftrightarrow Y, B\leftrightarrow X, C\leftrightarrow W, D\leftrightarrow V, E\leftrightarrow U, F\leftrightarrow T, G\leftrightarrow S, H\leftrightarrow R, I\leftrightarrow Q, J\leftrightarrow P, K\leftrightarrow O, L\leftrightarrow N, M\leftrightarrow M$$. Hence the answer is option A
Which of the following words would correctly decode the word ZHOFRPH if the simple alphabet shifting code is used?
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ARTISTS
0%
COMPUTE
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MAILING
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WELCOME.
Explanation
After shifting three place backward of the coded word ZHOFRPH, we get WELCOME. Hence the answer is WELCOME
Choose the group of letters which is different from others.
Z, A, Y, B, X, C, V, D.
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Y
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B
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X
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V
Explanation
There are two alternate series:
Letter 'U' should be in place of letter 'V'.
In each of the following questions, therefore are four options. The numbers, in these options, are alike in certain manner. Only one number does not fit in. Choose the one which is different from the rest.
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241
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222
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860
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824
Explanation
$$222, 860, 824$$ are even numbers.
But, $$241$$ is an odd number.
Hence answer is option A.
In a certain code, BELIEF is written as AFKKDI. How will PARROT be written in that code?
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RDKCNL
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RFKENM
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OBQTNW
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TFKENP
Explanation
The first, third and fifth letters of the word are each moved one step backward; the second fifth and sixth letters are moved, one, two and three steps forward respectively to obtain the corresponding letters of the code.
So applying the same logic,
P $$\rightarrow$$ O
A
$$\rightarrow$$ B
R
$$\rightarrow$$ Q
R
$$\rightarrow$$ T
O
$$\rightarrow$$ N
T
$$\rightarrow$$ W
So, PARROT
$$\rightarrow$$ OBQTNW. (option C)
If in a certain code, LUTE is written as MUTE and FATE is written as GATE, then how will BLUE be written in that code?
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CLUE
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GLUE
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FLUE
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SLUE
Explanation
In every word first letter is replaced by the next alphabet for coding.For example in case of BLUE first letter is B.In alphabetical order after B we get C.Hence BLUE is coded as CLUE by replacing first letter in BLUE by C.
In certain code TUBUJPO is written as VSDSLNQ. How is CSJOH written in that code?
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EQLMJ
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DQLMJ
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EQMLJ
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QELMJ
Explanation
$$\begin{matrix} T & U & B & U & J & P & O \\ \!\!\!\!\!\!\!+2\downarrow & \!\!\!\!\!\!\!-2\downarrow & \!\!\!\!\!\!\!+2\downarrow & \!\!\!\!\!\!\!-2\downarrow & \!\!\!\!\!\!\!+2\downarrow & \!\!\!\!\!\!\!-2\downarrow & \!\!\!\!\!\!\!+2\downarrow \\ V & S & D & S & L & N & Q \end{matrix}$$ $$\begin{matrix} C & S & J & O & H & & \\ \!\!\!\!\!\!\!+2\downarrow & \!\!\!\!\!\!\!-2\downarrow & \!\!\!\!\!\!\!+2\downarrow & \!\!\!\!\!\!\!-2\downarrow & \!\!\!\!\!\!\!+2\downarrow & & \\ E & Q & L & M & J & & \end{matrix}$$
Hence the answer is option A
In a certain code, TEACHER is written as VGCEJGT. How is CHILDREN written in that code?
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EJKNEGTP
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EGKNFITP
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EJKNFGTO
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EJKNFTGP
Explanation
Clearly, each letter in the word TEACHER is moved two steps forward to obtain the corresponding letter of the code
.
Accordingly,C will become E
H will become J
I will become K
L will become N
D will become F
R will become T
E will become G
N will become P
So, CHILDREN $$\Rightarrow$$ EJKNFTGP (option D)
A's mother is the only daughter of B's father. How is B's husband related to A?
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Uncle
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Brother
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Father
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Grandfather
Explanation
B's husband is the father of A. Hence the answer is option C
If 'DATE' is coded as 'EBUF' how will you code "BRASS"?
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CSBTT
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RQATB
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CSBTA
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CBATR
Explanation
D becomes E, A becomes B, T becomes U, E becomes F. Here each letter is coded by the next in alphabetic sequence. Therefore, "BRASS" will be coded 'CSBTT'. You can use the numbered alphabet to help you to recognize the pattern.
A man said to a lady, "Your mother's husband's sister is my aunt". How is that lady related to that man?
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Daughter
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Grand-daughter
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Mother
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Sister
Explanation
The lady is sister of the Man. Hence the answer is option D
Each question consists of a group of four choices. One set is different from the other three in someway. Find out the different one.
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PROQN
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DFCEG
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GIFHE
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KMJLI
Explanation
A) First set - P, O, N and Second set - R, Q
B) First set - D, C, G and Second set - F, E
C) First set - G, F, E and second set - I, H
D) First set - K, J, I and Second set - M, L
In each option except B, the alternate letters are consecutive in reverse alphabetic order.
But in B D, C, G are not consecutive.
Hence, option B is the different one.
Kalyani is mother-in-law of Veena, who is sister-in-law of Ashok. Dheeraj is father of Sundeep, the only brother of Ashok. How is Kalyani related to Ashok?
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0%
Mother-in-law
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Aunt
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Mother
0%
Wife
Explanation
Hence the answer is option C
Introducing a man, a woman said, "His wife is the only daughter of my mother". How is the woman related to the man?
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Sister-in-law
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Wife
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Mother-in-law
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Aunt
Explanation
The above diagram is the relationship tree in which the Circle represents Male, Square represents Female, '-' represents Siblings and the line separates the generations.
Hence the answer is option B
Four numbers are given below out of which three are alike in some manner and fourth is different. Choose the different number :
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$$7$$
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$$15$$
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$$31$$
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$$57$$
Explanation
7 is Single Digit number remaining other three numbers are double digit numbers.
Hence, option 'A' is correct.
Each question consists of a group of four. One from this set is different from other three in someway.Find out the different one.
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ACEGF
0%
FHJLK
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KMOQP
0%
UWYZA
Explanation
In each option, the first three letters are alternate in normal alphabetic series.
Whereas the last two letters(fourth and fifth) are consecutive in reverse alphabetic series.
But in option D, the last two letters are not consecutive in either order.
Hence, option D is the different one.
Find the odd one out from the alternatives.
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$$2518$$
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$$2709$$
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$$3249$$
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$$8314$$
Explanation
In all numbers except $$8314$$, the sum of first three digits is equal to the unit digit.
(A) $$2518\rightarrow 2+5+1=8$$
(B)
$$2709\rightarrow 2+7+0=9$$
(C) $$3249\rightarrow 3+2+4=9$$
(D) $$8314\rightarrow 8+3+1 \neq 4$$
Hence, option $$D$$ is the correct answer.
Find the odd man out.
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$$729$$
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$$343$$
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$$576$$
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$$512$$
Explanation
Except $$576$$, remaining all the cubes.
$$A\rightarrow $$ $$729=9^3$$
$$B\rightarrow $$ $$343=7^3$$
$$D\rightarrow $$ $$512=8^3$$
Hence, option $$C$$ is the correct answer.
Each question consists of a group of four. One from this set is different from other three in someway.Find out the different one.
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$$6253$$
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$$1881$$
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$$7043$$
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$$8210$$
Explanation
Except option D, all other are odd numbers.
In a certain code, 'COURSE' is written as 'FRXUVH', then how would RACE be written in that code?
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HFDV
0%
UCFH
0%
UDFH
0%
UDHF
Explanation
'COURSE' is written as '
FRXUVH'.
Each letter of the given word moves 3 steps ahead in alphabetic order and get the letter of code. i.e.
C$$+3\rightarrow$$ F,
O$$+3\rightarrow$$ R,
U$$+3\rightarrow$$ X,
R$$+3\rightarrow$$ U,
S$$+3\rightarrow$$ V,
E$$+3\rightarrow$$ H.
Similarly, code for RACE is 'UDFH'.
Hence, option C is correct.
In a certain code "GOODNESS' is coded as HNPCODTR, how is GREATNESS' written in that code?
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HQFZUODTR
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HQFZUMFRT
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HQFZSMFRT
0%
FSDBSQDTR
Explanation
The given code follows +1, -1, +1, -1 ...
Thus, following the above sequence, GREATNESS will be written as
HQFZUMFRT (option B).
In a certain code, 'EASE' is written as 'GUCG'. How 'CUT' be written in that code?
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0%
UVD
0%
DVU
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VWE
0%
EWV
Explanation
The first and four letters are interchanged and second and third letters are interchanged. Then each letter is moved +2 steps. Thus, the code for 'CUT' is 'VWE'
In a certain code, 'FORGET' is written as 'DPPHCU'. How would 'DOCTOR' be written in that code?
Report Question
0%
BPAUMS
0%
BPAUPS
0%
EMDRPP
0%
BPARPP
Explanation
The letters at odd places i.e. 1st, 3rd, 5th are moved backwards by two letters. Thus, F becomes D, R becomes P and E becomes C and the letter at even place moves one letter forward, thus O becomes P, F becomes H and T becomes U. Therefore, in DOCTOR, D would become B, C would become A, O would become M.
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Practice Class 11 Commerce Applied Mathematics Quiz Questions and Answers
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