CBSE Questions for Class 11 Engineering Maths Sequences And Series Quiz 2 - MCQExams.com

Find the missing letters
PTVX, AEGI, ..... WACE, HLNP
  • KNQT
  • LPRT
  • KPQS
  • HKLO
Find the missing letters
AYD, BVF, DRH, ....., KGL
  • FMI
  • GMJ
  • HLK
  • GLJ
ac_cab_baca_aba_acac
  • aacb
  • acbc
  • babb
  • bcbb
b_abbc_bbca_bcabb_ab
  • acaa
  • acba
  • cabc
  • cacc
adb_ac_da_cddcb_dbc_cbda
  • bccba
  • cbbaa
  • ccbba
  • bbcad
a_abbb_ccccd_ddccc_bb_ba
  • abcda
  • abdbc
  • abdcb
  • abcad
abaa_aab_a_a
  • abb
  • aba
  • bab
  • aab
aba_baca_ba_bacaabac_aca
  • cacb
  • ccab
  • cabc
  • abcc
Find the missing letters
B E I N T.........
  • A
  • S
  • U
  • V
aa_b_abb___bb
  • abaa
  • bbaa
  • baaa
  • baba
Find the missing letters
Z W S P L I E........
  • D
  • F
  • K
  • B
abc_bc_c_
  • acbbab
  • aabbca
  • aabacb
  • aababc
Choose the correct statement(s):
$$A$$: Every sequence is a progression.
$$B$$: Every progression is a sequence.
  • Only $$A$$
  • Only $$B$$
  • Both $$A$$ and $$B$$
  • None 
If CAT is $$48$$,  Z is $$52$$ Then what  is TEA equal to ?
  • $$48$$
  • $$52$$
  • $$60$$
  • $$50$$
aab....aaa......bba.....
  • baa
  • abb
  • bab
  • bbb
I thought of a decimal number. After I had multiplied it by 2, then added 1.5 and then divided by 3, I got 3.What was the decimal number? 
  • 7.1
  • 5.6
  • 5.8
  • 4.5
If $$\displaystyle t_{3}=15,S_{10}=120$$ then the tenth term of the series i:
  • $$\displaystyle 6\frac{3}{5}$$
  • $$\displaystyle 5\frac{3}{5}$$
  • $$\displaystyle 6\frac{4}{5}$$
  • $$\displaystyle 6\frac{3}{4}$$
How many numbers are there between 500 and 600 in which 9 occurs only once?
  • 19
  • 18
  • 10
  • 9
Answer the following set of questions by reading the above pitctograph. Number of TV sets sold in the year 2005 is
407765.png
  • $$1000$$
  • $$500$$
  • $$50$$
  • $$2000$$
Observe the following pattern for obtaining the sums then find the sum of numbers from 781 to 790?
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55
11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 155
21 + 22 + 23 + 24 + 25 + 26 + 27 + 28 + 29 + 30 = 255
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
51 + 52 + 53 + 54 + 55 + 56 + 57 + 58 + 59 + 60 = 555
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
101 + 102 + 103 + 104 + 105 + 106 + 107 + 108 + 109 + 110 = 1055
251 + 252 + 253 + 254 + 255 + 256 + 257
258 + 259 + 260 = 2555
  • 7055
  • 7855
  • 7955
  • 8155
ab _ bc _ c _ ba _ c
  • baac
  • aabb
  • caab
  • aaab
In a _______ each term is found by multiplying the previous term by a constant.
  • arithmetic sequence
  • geometric sequence
  • arithmetic series
  • None of these
A sequence of numbers in which each term is related to its predecessor by same law is called
  • arithmetic series
  • progression
  • geometric series
  • none of these
$$10,$$ __$$, 15, 15, 20, 20, 25, 25,...$$. What number should fill the blank?
  • 7
  • 8
  • 10
  • 15
________ can be defined as arrangement of terms in which sequence of terms follow some conditions.
  • Series
  • Preceding sequence
  • Progression
  • Geometric progression
_______ is a series of successive events.
  • Series
  • Preceding sequence
  • Progression
  • Geometric progression
Find the next number in the series.
$$3, 6, 9, 12, 15,....$$
  • $$17$$
  • $$18$$
  • $$19$$
  • $$20$$
A _________ is a sequence of numbers where each term in the sequence is found by multiplying the previous term with a unchanging number called the common ratio.
  • geometric progression
  • arithmetic series
  • arithmetic progression
  • None of these
State the following statement is true or false:
Progression means increment of quantity in a particular pattern.
  • True
  • False
If there are five consecutive integer in a series and the first integer is $$1$$, what is the value of the last consecutive integer?
  • $$2$$
  • $$3$$
  • $$4$$
  • $$5$$
A progression of the form $$a, ar, ar^2$$, ..... is a
  • geometric series
  • arithmetic series
  • arithmetic progression
  • geometric progression
Identify the geometric progression.
  • $$1, 3, 5, 7, 9, ...$$
  • $$2, 4, 6, 8, 10...$$
  • $$5, 10, 15, 25, 35..$$
  • $$1, 3, 9, 27, 81...$$
$$5, 25, 125, .....$$ is an example of 
  • arithmetic progression
  • arithmetic series
  • geometric series
  • geometric progression
A ______ is the sum of the numbers in a geometric progression.
  • arithmetic progression
  • arithmetic series
  • geometric series
  • geometric sequence
Identify the geometric series.
  • $$1 + 3 + 5 + 7 +....$$
  • $$2 + 12 + 72 + 432...$$
  • $$2 + 3 + 4 + 5 +...$$
  • $$11 + 22 + 33 + 44+...$$
A sequence of numbers such that the quotient of any two successive members of the sequence is a constant called the common ratio of the sequence is known as
  • geometric series
  • arithmetic progression
  • arithmetic series
  • geometric sequence
$$10,20,40,80$$ is an example of
  • arithmetic series
  • geometric series
  • arithmetic sequence
  • geometric sequence
$$1, 3, 9, 27, 81$$ is a
  • geometric sequence
  • arithmetic progression
  •  arithmetic series
  • geometric series
The sequence $$6, 12, 24, 48....$$ is a
  • geometric series
  • arithmetic sequence
  • geometric progression
  • harmonic sequence
The geometric sequence is also called as
  • geometric progression
  • arithmetic sequence
  • arithmetic series
  • geometric series
If a sequence of values follows a pattern of multiplying a fixed amount times each term to arrive at the following term, it is called a:
  • geometric sequence
  • arithmetic sequence
  • geometric series
  • none of these
Which one of the following is a general form of geometric progression?
  • $$1, 1, 1, 1, 1$$
  • $$1, 2, 3, 4, 5$$
  • $$2, 4, 6, 8, 10$$
  • $$-1, 2, -3, 4, -5$$
The number of terms in a sequence $$6, 12, 24, ....1536$$ represents a
  • arithmetic progression
  • arithmetic series
  • geometric progression
  • geometric series
$$4, \dfrac{8}{3}, \dfrac{16}{9}, \dfrac{32}{27}..$$ is a
  • arithmetic sequence
  • geometric sequence
  • geometric series
  • harmonic sequence
An example of G.P. is
  • $$-1, \dfrac{1}{2}, \dfrac{1}{4}, \dfrac{1}{8}...$$
  • $$ -1, \dfrac{3}{2}, \dfrac{1}{2}, -\dfrac{1}{2}$$
  • $$1, \dfrac{1}{2}, \dfrac{1}{4}, \dfrac{1}{6}...$$
  • $$1, \dfrac{1}{2}, \dfrac{1}{4}, \dfrac{1}{8}...$$
Identify a geometric progression.
  • $$1, 3, 5, 7, 9.....$$
  • $$2, 4, 6, 8, 10.....$$
  • $$4, 8, 16, 32, 64....$$
  • $$1, -1, 3, -2, 4$$
The common ratio is used in _____ progression.
  • arithmetic
  • geometric
  • harmonic
  • series
Which of the following is not in the form of G.P.?
  • $$2, 6, 18, 54, ....$$
  • $$3, 12, 48, 192, ....$$
  • $$1, 4, 7, 10, ....$$
  • $$1, 3, 9, 27, ....$$
Which one of the following is not a geometric progression?
  • $$1, 2, 4, 8, 16, 32$$
  • $$4, -4, 4, -4, 4$$
  • $$12, 24, 36, 48$$
  • $$6, 12, 24, 48$$
Which one of the following is a geometric progression?
  • $$3, 5, 9, 11, 15$$
  • $$4, -4, 4, -4, 4$$
  • $$12, 24, 36, 48$$
  • $$6, 12, 24, 36$$
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