LOGICAL

 

Directions to Solve

Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

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

A. S24

B. N18

C. M18

D. T24

2. 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

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

A. XXII

B. XIII

C. XVI

D. IV

4. 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

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

A. W26

B. W17

C. Z17

D. Z26

ANSWERS:

1. Answer: Option B

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

2. Answer: Option A

Explanation: 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.

3. Answer: Option C

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

4. Answer: Option C

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

5. Answer: Option A

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