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CAT Exam  >  CAT Tests  >  Important Questions Test: Number Series- 2 - CAT MCQ

Important Questions Test: Number Series- 2 - CAT MCQ


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20 Questions MCQ Test - Important Questions Test: Number Series- 2

Important Questions Test: Number Series- 2 for CAT 2024 is part of CAT preparation. The Important Questions Test: Number Series- 2 questions and answers have been prepared according to the CAT exam syllabus.The Important Questions Test: Number Series- 2 MCQs are made for CAT 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Number Series- 2 below.
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Important Questions Test: Number Series- 2 - Question 1
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

2,15,41,80,?

Detailed Solution for Important Questions Test: Number Series- 2 - Question 1

The pattern is + 13, + 26, + 39,.....

So, missing term = 80 + 52 = 132.

Important Questions Test: Number Series- 2 - Question 2
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

563, 647, 479, 815, ?

Detailed Solution for Important Questions Test: Number Series- 2 - Question 2

The pattern is + 84, - 168, + 336,.....i.e. + 84, - (84 x 2), + (84 x 22), .....

So, missing term = 815 - (84 x 23) = 815 - 672 = 143.

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Important Questions Test: Number Series- 2 - Question 3
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

13, 35, 57, 79, 911, ?

Detailed Solution for Important Questions Test: Number Series- 2 - Question 3

The terms of the given series are numbers formed by joining together consecutive

odd numbers in order i.e. 1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11, .....

So, missing term = number formed by joining 11 and 13 = 1113.

Important Questions Test: Number Series- 2 - Question 4
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

1, 4, 10, 22, 46, ?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 4

The pattern is + 3, + 6, + 12, + 24,.....

So, missing term = 46 + 48 = 94.

Important Questions Test: Number Series- 2 - Question 5
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

In the series 3, 9, 15, ...... what will be the 21st term?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 5

Clearly, 3 + 6 = 9, 9 + 6 = 15,.....

So, the series is an A.P. in which a = 3 and d = 6.

Therefore 21st term = a + (21 - 1) d = a + 20d = 3 + 20 x 6 = 123.

Important Questions Test: Number Series- 2 - Question 6
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

28, 33, 31, 36, ?, 39
Detailed Solution for Important Questions Test: Number Series- 2 - Question 6

The pattern is + 5, - 2, + 5, - 2,.....

So, missing term = 36 - 2 = 34.

Important Questions Test: Number Series- 2 - Question 7
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

1, 9, 25, 49, 81, ?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 7

The series consists of squares of consecutive odd numbers

i.e. 12, 32, 52, 72, 92,.....

So, missing term = 112 = 121.

Important Questions Test: Number Series- 2 - Question 8
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

2,2,5, 13,28,?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 8

The pattern is + 0, + 3, + 8, + 15, ..... i.e. + (l2 - 1), + (22 - 1), + (32 - 1), + (42 - 1), .....

So, missing term = 28 + (52 - 1) = 28 + 24 = 52.

Important Questions Test: Number Series- 2 - Question 9
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

0, 2, 8, 14, ?, 34
Detailed Solution for Important Questions Test: Number Series- 2 - Question 9

The pattern is + 2, + 6, + 6, + 10, + 10,.....

So, missing term = 14 + 10 = 24.

Important Questions Test: Number Series- 2 - Question 10
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

In the series 10, 17, 24, 31, 38,.....which of the following will be a number of the series ?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 10

The given series consists of numbers each of which, on dividing by 7, leaves a remainder 3.

No other number except 346 satisfies the property.

Important Questions Test: Number Series- 2 - Question 11
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

240, ?, 120, 40, 10, 2
Detailed Solution for Important Questions Test: Number Series- 2 - Question 11

The pattern followed is

240÷1=240

240÷2=120

120÷3=40

40÷4=10

10÷5=2

Hence the number is 240

Important Questions Test: Number Series- 2 - Question 12
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

2,3,8,27, 112,?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 12

The pattern is:

(a*1) + 1, (a*2) + 2, (a*3) + 3, (a*4) + 4, (a*5) + 5

So, missing term = 112 x 5 + 5 = 565.

Important Questions Test: Number Series- 2 - Question 13
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

6, 17, 39, 72, ?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 13

The pattern is + 11, + 22, + 33, .....

So, missing term = 72 + 44 = 116.

Important Questions Test: Number Series- 2 - Question 14
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

20, 20, 19, 16, 17, 13, 14, 11, ?, ?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 14

Let the missing terms of the series be x1 and x2.

Thus, the sequence 20, 20, 19, 16, 17, 13, 14, 11, xv x2 is a combination of two series :

I. 20, 19, 17, 14, x1 and II. 20, 16, 13, 11, x2

The pattern in I is - 1, - 2, - 3,......So, missing term, x1 = 14 - 4 = 10.

The pattern in II is - 4, - 3, - 2,......So, missing term, x2 = 11 - 1 = 10.

Important Questions Test: Number Series- 2 - Question 15
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

24, 60, 120, 210, ?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 15

The pattern is + 36, + 60, + 90,.....i.e. + [6 x (6 + 0)], + [6 x (6 + 4)], + [6 x (6 + 9)],...
So, missing term = 210 + [6 x (6 + 15)] = 210 + 126 = 336.

Important Questions Test: Number Series- 2 - Question 16
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Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Question -

625, 5, 125, 25, 25, ?, 5
Detailed Solution for Important Questions Test: Number Series- 2 - Question 16

The given sequence is a combination of two series :

I. 625, 125, 25, 5 and II. 5, 25, ?

The pattern in I is ? 5, while that in II is x 5. So, missing term = 25 x 5 = 125.

Important Questions Test: Number Series- 2 - Question 17
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Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

Look at this series: VI, 10, V, 11, __, 12, III, ... What number should fill the blank?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 17

This is an alternating addition and subtraction series. Roman numbers alternate with Arabic numbers. In the Roman numeral pattern, each number decreases by 1. In the Arabic numeral pattern, each number increases by 1.

Important Questions Test: Number Series- 2 - Question 18
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Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

Look at this series: (1/9), (1/3), 1, ____ , 9, ... What number should fill the blank?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 18

This is a multiplication series; each number is 3 times the previous number.

Important Questions Test: Number Series- 2 - Question 19
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Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 19

This is a simple subtraction series in which a random number, 93, is interpolated as every third number. In the subtraction series, 10 is subtracted from each number to arrive at the next.

Important Questions Test: Number Series- 2 - Question 20
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Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

Look at this series: 15, __, 27, 27, 39, 39, ... What number should fill the blank?
Detailed Solution for Important Questions Test: Number Series- 2 - Question 20

In this simple addition with repetition series, each number in the series repeats itself, and then increases by 12 to arrive at the next number.

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