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CBSE Questions for Class 11 Commerce Applied Mathematics Mathematical And Logical Reasoning Quiz 12 - MCQExams.com
CBSE
Class 11 Commerce Applied Mathematics
Mathematical And Logical Reasoning
Quiz 12
How many pairs of letters are there in the word 'PENCIL' which has as many letters between them in the words as in the English alphabet?
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0%
Nil
0%
Two
0%
Three
0%
One
In a certain code language, CENTRAL is written as ABCDEFG and PLANETARIUM is written as HGFCBDFEIJK. How will LANTERN be written in the same code language?
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GFCDFEG
0%
GFCDEFG
0%
GFCDBEC
0%
GFCDBEB
Explanation
Letter
C
E
N
T
R
A
L
P
I
U
M
Code
A
B
C
D
E
F
G
H
I
J
K
$$\therefore$$ LANTERN is written by GFCDBEC.
If Kriti says, "Amrita's father Amar is the only son of my father-in-law, Arjun. " Then how is Babita, who is the sister of Amrita, related to Arjun?
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0%
Wife
0%
Niece
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Grand-daughter
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Sister-in-law
Explanation
The blood relation is shown below:
It is clearly shown that, Babita is the grand-daughter of Arjun.
How many pairs of letters are there in the word 'NURSING' which have as many letters between them in the words as in the English alphabet?
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0%
One
0%
Two
0%
Three
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Four
Pointing to a girl in the photograph, Ram said,'Her mother's brother is the only son of my mother's father'. How is the girl's mother related to Ram?
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0%
Mother
0%
Grandmother
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Sister
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Aunt
Explanation
The relation can be analyzed as: Ram's mother's father =Ram's maternal grandfather only son of Ram's maternal grandfather = Ram's maternal uncle.
Now, Ram's material uncle is girls mother's brother i. e.
Ram's maternal uncle is also the girl's maternal uncle.
This means, Ram and girl could be siblings (or) cousins.
Thus, girl's mother could be related to Ram as his mother.
If in a certain code SWITCH is written as TVJSDG, how can CQFZE be written code?
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0%
BARED
0%
BRAED
0%
BREAD
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BRDAE
Explanation
Each letter at odd place in the word is one step behind and each letter at even the word is one step ahead of the corresponding letter of the code.
Among four persons, B is taller than C. A is taller than D, but not as tall as C. Who among them is the tallest ?
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A
0%
B
0%
C
0%
Can't be determined
Explanation
According to the given information, the ascending order of the heights is
D < A < C < B
So, B is the tallest.
Pointing to a boy in the photograph, Rajat said," his mother is the only daughter of my grandfather's only son." How is the boy's mother related to Rajat's father?
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0%
Daughter
0%
Sister
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Sister-in-law
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Grandfather
Explanation
According to the question, we can draw a blood relation diagram is as shown below.
So, it is clear from the diagram that, the mother of boy is the sister of Rajat. So, the mother of boy is the daughter of Rajat's Father.
Choose the correct answer from the alternatives given.
Select the odd number from the given alternatives.
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0%
50
0%
120
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37
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145
Explanation
All are multiple of 5 except 37.
Choose the correct answer from the alternatives given
Directions for questions 4 to 6: Find the odd letters/word/ number from given alternatives.
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0%
MIGE
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XTQO
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RNKI
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HDAY
Explanation
In all except MIGE, Fist letter $$\overset{-4}{\rightarrow}$$ Second letter $$\overset{-3}{\rightarrow}$$ Third letter $$\overset{-2}{\rightarrow}$$ fourth letter.
Choose the correct answers from the alternatives given.
Directions for questions 9 to 11: Select the odd letter/ number/word from the given alternatives.
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$$28$$
0%
$$82$$
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$$109$$
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$$97$$
Explanation
All the numbers when divided by $$9$$ leaves remainder $$1$$ except $$97.$$
Find the odd letters/ number/word from given alternatives.
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699
0%
366
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399
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369
Explanation
One digit is repeated in all the numbers except 369.
Choose the correct answers from the alternatives given.
Directions for questions 9 to 11: Select the odd letter/ number/word from the given alternatives.
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K
0%
O
0%
Q
0%
S
Explanation
Place values of all alphabets except O is prime number.
Choose the correct answers from the alternatives given.
As mother is the sister of B and has daughter C. How can A be related to B from amongst the following?
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0%
Niece
0%
Uncle
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Daughter
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Father
Explanation
A can be niece or nephew of B. Hence, option (1) is correct.
Choose the correct answers from the alternatives given.
Directions for questions 4 to 6: Find the odd number/ word/letters from given alternatives.
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Acute
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Parallel
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Right
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Obtuse
Explanation
All are types of angles except option (2) i.e. Parallel.
Choose the correct answers from the alternatives given.
If RENT is coded as SGQX, then how will HOUSE be coded as
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IQXWJ
0%
HYRXI
0%
IRYWI
0%
JQXWJ
Explanation
Choose the correct answer from the alternatives given.
Select the odd letters from the given alternatives.
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0%
KVLW
0%
PXQY
0%
EPFQ
0%
ARBT
Choose the correct answer from the alternatives given :
Select the odd number from given alternatives.
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0%
18
0%
27
0%
36
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19
Explanation
All the numbers are composite numbers except 19 which is a prime number.
As 18 and 36 have factor as 2 and 27 has a factor of 3.
Hence 19 is the odd one out as it's prime number.
In a certain code language, 'HOUSE' is written as 'FQSUC'. How is "CHAIR" written in that code language?
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0%
DIBJS
0%
SBJID
0%
SHBGD
0%
AJYKP
Explanation
$$\underset {\underset {F}{+2\downarrow}}{H} \underset {\underset {Q}{+2\downarrow}}{O} \underset {\underset {S}{+2\downarrow}}{U} \underset {\underset {U}{+2\downarrow}}{S} \underset {\underset {C}{+2\downarrow}}{E}$$
Similarly, $$\underset {\underset {A}{+2\downarrow}}{C} \underset {\underset {J}{+2\downarrow}}{H} \underset {\underset {Y}{+2\downarrow}}{A} \underset {\underset {K}{+2\downarrow}}{I} \underset {\underset {P}{+2\downarrow}}{R}$$.
Choose the correct answers from the alternatives given.
Directions for questions 8 and 9: Find the odd numbers/ word/letters from given alternatives.
3,11,27.59,?, 251
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0%
152
0%
88
0%
123
0%
91
Explanation
Find the odd letters/ number/word from the given alternatives.
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0%
657
0%
596
0%
384
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397
Explanation
In all the numbers first and the last digit are consecutive except in 397.
In a certain code language, If 'SISTER' is written as 'THTSFQ', then how will 'MOTHER' be written in that language?
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0%
OPUIFS
0%
ONUGFQ
0%
NNUGFQ
0%
NOUIFQ
Find the odd word/ letters/ number from the given alternatives.
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$$15 - 21$$
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$$32 - 41$$
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$$22 - 27$$
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$$31 - 35$$
Explanation
$$3$$ is a common factor between $$15$$ and $$21$$. But nothing except $$1$$ is common between other pairs.
Find one word which cannot be formed from the letters of the given word.
ENDEAVOUR _____________.
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0%
DROVE
0%
DEVOUR
0%
DROWN
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ROUND
Explanation
Letter 'W' in the word DROWN is not present in ENDEAVOUR. So, DROWN cannot be formed from the letters of given word.
If CRUDE is written as BSTED, then MOIST will be coded as
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0%
NNJRU
0%
LNHRS
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NPITU
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LPHTS
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SRHNL
Explanation
Here, the code is formed by moving the letters one step backward and one step forward alternately.
So, MOIST will be coded as
LPHTS. (option D).
A is 3 years older than B and 3 years younger to C white B and D are twins. How many years older is C to D?
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0%
3
0%
2
0%
6
0%
12
Explanation
Given:A = B + 3 = C - 3
B = D (they are twins)
$$\Rightarrow$$ B + 3 = C - 3
$$\Rightarrow$$ D + 3 = C 3 $$\Rightarrow$$ C = D + 6
Therefore, C is 6 years older than D.
If in a certain code, LUTE is written as MUTE and FATE is written as GATE. then how will BLUE be written in the code?
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0%
CLUE
0%
GLUE
0%
FLUE
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SLUE
Explanation
In a certain code language, 'ja na da' means 'they want food' and 'ka ho ni' means 'food and water'. What does 'pa' mean in that code language?
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0%
what
0%
you
0%
they
0%
want
Explanation
ja na de
→
→
what you want ....... (i)
na pa ka
→
→
they want food ...... (ii)
ka ho ni
→
→
food and water ....... (iii)
From (i) and (ii) : common code is 'na' and common word is 'want', so 'na' means 'want'.
From (ii) and (iii)
:common
code is 'ka' and common word is 'food', so 'ka' means 'food'
Now, from (ii) : 'pa' means 'they'.
In a certain code language 'pre not bis' means 'smoking is harmful'. 'vog dor not' means 'avoid harmful habit', and 'dor bis yel' means 'please avoid smoking'. Which of the following means 'habit' in that code language?
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0%
Vog
0%
Not
0%
Dor
0%
Bis
Explanation
pre not bis -> smoking is harmful....i
vog dor not --> avoid harmful habit ....ii
dor bis yel --> please avoid smoking...iii
From i and ii not means harmful
From ii and iii dor means avoid
Hence, from ii vog means habit.
Pointing to a boy, Purnima says, He is the son of the only sister of my brother. How is the boy related to Purnima?
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0%
Brother
0%
Son
0%
Nephew
0%
Cant be determined
Explanation
$$\Rightarrow$$ Purnima says "He is the son of the only sister of my brother."
$$\Rightarrow$$ Means Purnima is only sister, then a boy she is pointing to is her $$Son$$.
Ram is the brother of seema & Ram is married to Radhika. Seema has two sons Raushan & Manu. What is Raushan to Radhika.
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0%
Niece
0%
Nephew
0%
Cousin
0%
None of these
Explanation
Raushan is Seema's son. So, he is Nephew of Ram.
Radhika is wife of Ram. So, Raushan is Nephew of Radhika
If Tarun says, $$"Deepak's$$ mother is the only daughter-in-law of my father", then how is Tarun related to Deepak?
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0%
Father
0%
Grandfather
0%
Uncle
0%
Brother
Explanation
Since, tarun is talking about deepak's mother which is tarun's wife. So, Tarun is a father of Deepak.
Choose the correct alternative that will replace the question mark.
$$JDP , NGR, RJT, VMV, ?$$
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0%
$$ZPW$$
0%
$$ZQY$$
0%
$$ZPX$$
0%
$$ZRY$$
Explanation
$$ZPX$$
add $$4$$ to first letter, $$3$$ to second letter and $$2$$ to third letter to get second sequence from the first sequence.
$$J+4=N$$
$$D+3=G$$
$$P+2=R$$
Similarly,
$$V+4=Z$$
$$M+3=P$$
$$V+2=X$$
Showing the man receiving the prize, Saroj said, " He is the brother of my uncle's daughter ". Who is the man to Saroj ?
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Son
0%
Nephew
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Uncle
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Cousin
Explanation
Brother of uncle's daughter $$\rightarrow$$ Uncle's Son $$ \rightarrow $$ Cousin
So, D is the correct option.
Numbers in this question are grouped under a certain norm, except, the one which does not follow the norm. Find the odd set in each of the following.
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001011
0%
1101011
0%
101101
0%
100101
Explanation
Unlike the other options, the total number of digits are 7.
One set of letters in following questions is different from the rest that are formed under a certain norm.
Find the odd set.
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$$NEERG$$
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$$DER$$
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$$KNIP$$
0%
$$DLEIF$$
Explanation
The first four are colours written in reverse form such as
$$A- GREEN$$
$$B-RED$$
$$C-PINK.$$
where as $$D - FIELD$$ is not a colour.
In a certain code, FORGE is written as FPTJI. How is CULPRIT written in that code ?
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0%
CSJNPGR
0%
CVMQSTU
0%
CVNSVNZ
0%
CXOSULW
Explanation
H is the sister of
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0%
E only
0%
D only
0%
J
0%
I
Explanation
From, the question, the family tree can be drawn as shown below :
I is H's sister.
If VICTORY is coded as YLFWRUB, how can SUCCESS be coded ?
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0%
VXEEIVV
0%
VXFFHVV
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VYEEHVV
0%
VYEEIVV
Explanation
In the following question, four alternatives are given out of which three are alike in a certain way while one is different.
Choose the odd one.
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0%
JUDGE
0%
SCANT
0%
CROWD
0%
FLUSH
Explanation
In other pairs only one vowel is used.
But in option A two vowels are used U and E.
In the following number series, one term does not fit into the series. Find the wrong term.
$$1, 3, 8, 15, 24, 35$$
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0%
$$1$$
0%
$$8$$
0%
$$24$$
0%
$$35$$
Explanation
All the terms except $$1$$ are of the form $$n^2-1$$.
$$n=2$$ for $$3$$
$$n=3$$ for $$8$$
$$n=4$$ for $$15$$ and so on.
Who is K's husband ?
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0%
O
0%
J
0%
M
0%
K
Explanation
Since, M is unmarried, so M is student. M can be male or female.
O is K's husband.
Family member
Occupation
N
Contractor
L
Nurse
J
Engineer
O
Professor
I
Doctor or housewife
K
Housewife or Doctor
M
Student
In the following number series, one term does not fit into the series. Find the wrong term.
$$2, 12, 32, 63, 102$$
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0%
$$12$$
0%
$$32$$
0%
$$63$$
0%
$$102$$
Explanation
The given series is $$2,12,32,63,102.$$
Here, if $$63$$ is changed to $$62$$, differences between consecutive terms become $$10, 20, 30, 40$$ which is a pattern of uniform increase.
Hence, option C.
If in a certain code, 'COVET' is written as 'FRYHW', which word would be written as 'SHDUO'?
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0%
QUAKE
0%
REPAY
0%
VKGXR
0%
PEARL
Explanation
In the first code, 'C' has been coded as +2 alphabets, 'O' has been coded as +2 so on & so forth. Similarly PEARL can be coded as SHDUO.
If in a certain language, 'SHIFT' is coded as 'RFFBO', which word would be coded as 'LKUMB'?
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0%
MMXQG
0%
MLVNC
0%
KJVLS
0%
MJVLC
Explanation
The first, second, third, fourth & fifth letters in the word are respectively one, two, three, four and five steps ahead of the corresponding letter of the code. Hence, answer is MMXQG.
If 'DELHI' is coded as 'WVOSR', then choose the right code for the term 'ORNRG'.
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0%
LIMIT
0%
PERAL
0%
BEARS
0%
LAPEL
Explanation
The code is that A is substituted by Z, B is substituted by Y, C is substituted by X and so on. (This is also known as mirror coding.)
A B C D E F ..... U V W X Y Z.
Z Y X W V U ..... F E D C B A.
So, given word is decoded as LIMIT.
Which of the following words would correctly decode the word ZHOFRPH if the simple alphabet shifting code is used?
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0%
ARTISTS
0%
COMPUTE
0%
MAILING
0%
WELCOME
Explanation
Given code is obtained by moving each letter of the word WELCOME three steps ahead in the alphabet series.
W---XY ---Z
E---FG---H
L---MN---O
C---DE---F
O---PQ---R
M---NO---P
E---FG---H
If VICTORY is coded YLFWRUB, how can SUCCESS be coded?
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0%
VXEEIVV
0%
VXFFHVV
0%
VYEEHVV
0%
VYEEIVV
0%
None of these
Explanation
Each letter of word is moved three steps forward in the alphabet series to obtain the code.
Hence
SUCCESS will become
VXFFHVV.
One of the numbers in the given options does not belong to the group.
$$23, -1, 14, 33, 47$$
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0%
$$23$$
0%
$$-1$$
0%
$$14$$
0%
$$33$$
Explanation
All other numbers except $$33$$ are of the form $$n^2-2$$.
Option A: n = $$5$$ ($$5^2 - 2 = 23$$)
Option B: n = $$1$$ ($$1^2 - 2 = -3$$)
Option C: n = $$4$$
($$4^2 - 2 = 14$$)
Option D doesn't follow this rule.
If in a certain code SCRIPT is written as TCQIQT, how will DIGEST be written?
Report Question
0%
EIFETT
0%
TIHETT
0%
EIFERT
0%
EIHETT
0%
None of these
Explanation
First and fifth alphabet is replaced by an alphabet just next to it in alphabet series .
Third is replaced by an alphabet just before it in the alphabet series.
Rest is same as it is. Therefore DIGEST will become
EIFETT.
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