ExamAdept

Look at this series: U32, V29, __, X23, Y20, ... What number should fill the blank?

A:

W26

B:

W17

C:

Z17

D:

Z26

Answer: A

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

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Look at this series: 0.15, 0.3, ____, 1.2, 2.4, ... What number should fill the blank?

A:

4.8

B:

0.006

C:

0.6

D:

0.9

Answer: C

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

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Look at this series: XXIV, XX, __, XII, VIII, ... What number should fill the blank?

A:

XXII

B:

XIII

C:

XVI

D:

IV

Answer: C

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

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Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank?

A:

13

B:

15

C:

20

D:

28

Answer: A

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.

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Look at this series: J14, L16, __, P20, R22, ... What number should fill the blank?

A:

S24

B:

N18

C:

M18

D:

T24

Answer: B

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

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Questions for: Number Series