Description

This mock test of Olympiad Test: Number Series for Class 7 helps you for every Class 7 entrance exam.
This contains 20 Multiple Choice Questions for Class 7 Olympiad Test: Number Series (mcq) to study with solutions a complete question bank.
The solved questions answers in this Olympiad Test: Number Series quiz give you a good mix of easy questions and tough questions. Class 7
students definitely take this Olympiad Test: Number Series exercise for a better result in the exam. You can find other Olympiad Test: Number Series extra questions,
long questions & short questions for Class 7 on EduRev as well by searching above.

QUESTION: 1

Directions: In each of the following questions, a number series is given with one missing term. Choose correct alternative that will continue the same pattern and fill in the blank spaces.

1000, 200, 40, __

Solution:

This is a simple division series. Each number is divided by 5.

QUESTION: 2

Directions: In each of the following questions, a number series is given with one missing term. Choose correct alternative that will continue the same pattern and fill in the blank spaces.

5.2, 4.8, 4.4, 4, __

Solution:

In this simple subtraction series, each number decreases by 0.4.

QUESTION: 3

Directions: In each of the following questions, a number series is given with one missing term. Choose correct alternative that will continue the same pattern and fill in the blank spaces.

2, 6, 18, 54, __

Solution:

This is a simple multiplication series. Each number is 3 times more than the previous number.

QUESTION: 4

80, 10, 70, 15, 60, _

Solution:

This is an alternating addition and subtraction series. In the first pattern, 10 is subtracted from each number to arrive at the next. In the second, 5 is added to each number to arrive at the next.

QUESTION: 5

8, 43, 11, 41, __, 39, 17

Solution:

This is a simple alternating addition and subtraction series. The first series begins with 8 and adds 3; the second begins with 43 and subtracts 2.

QUESTION: 6

70, 71, 76, __, 81, 86, 70, 91

Solution:

In this series, 5 is added to the previous number; the number 70 is inserted as every third number.

QUESTION: 7

V, VIII, XI, XIV, __, XX,

Solution:

This is a simple addition series; each number is 3 more than the previous number.

QUESTION: 8

U32, V29, __, X23, Y20

Solution:

In this series, the letters progress by 1; the numbers decrease by 3.

QUESTION: 9

0.15, 0.3, ____, 1.2, 2.4

Solution:

This is a simple multiplication series. Each number is 2 times greater than the previous number.

QUESTION: 10

XXIV, XX, __, XII, VIII

Solution:

This is a simple subtraction series; each number is 4 less than the previous number.

QUESTION: 11

4, 7, 25, 10, __, 20, 16, 19,

Solution:

Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.

QUESTION: 12

J14, L16, __, P20, R22

Solution:

In this series, the letters progress by 2, and the numbers increase by 2.

QUESTION: 13

VI, 10, V, 11, __, 12, III

Solution:

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.

QUESTION: 14

(1/9), (1/3), 1, __ , 9

Solution:

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

QUESTION: 15

15, __, 27, 27, 39, 39

Solution:

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.

QUESTION: 16

72, 76, 73, 77, 74, __, 75

Solution:

This series alternates the addition of 4 with the subtraction of 3.

QUESTION: 17

10, 100, 200, 310, __

Solution:

The pattern is + 90 + 100, + 110,.....

So, missing term = 310 + 120 = 430.

QUESTION: 18

11, 10, __, 100, 1001, 1000, 10001

Solution:

The pattern is – 1, × 10 + 1, –1, × 10 + 1, – 1, × 10 + 1, .....

So, missing term = 10 × 10 + 1 = 101

QUESTION: 19

2, 7, 27, 107, 427, __

Solution:

The pattern is + 5, + 20, + 80, + 320, ...... i.e. + (5 × 1^{2}), + (5 × 2^{2}), + (5 × 4^{2}), + (5 × 8^{2}),.....

So, missing term = 427 + (5 × 16^{2}) = 427 + 1280 = 1707

QUESTION: 20

2, 3,8,27, 112,__

Solution:

The pattern is × 1 + 1, × 2 + 2, × 3 + 3, × 4 + 4, .....

So, missing term = 112 × 5 + 5 = 565

### Number Series (Part - 2)

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### Number Series (Part - 1)

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