Find the next number in the series: 1, 4, 9, 16, 25, ? MCQ with Answer and Explanation

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Find the next number in the series: 1, 4, 9, 16, 25, ?

A. 49

B. 30

C. 35

D. 36

Answer: Option D

Solution (By JKSSB Mock Tests)

The series is of squares: 1², 2², 3², 4², 5²; next is 6²=36.

This question belongs to: Reasoning Logical Reasoning

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Question #1

Find the next number in the series: 7, 13, 25, 49, ?

A. 95

B. 99

C. 91

D. 97

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Correct Answer: Option D

Explanation:
Pattern: double and subtract 1. 7×2−1=13; 13×2−1=25; 25×2−1=49; 49×2−1=97.

This question belongs to: Reasoning Logical Reasoning

Question #2

At what time between 2 and 3 o'clock will the hands of a clock coincide?

A. 2:11 10/11

B. 2:10

C. 2:12

D. 2:10 10/11

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Correct Answer: Option D

Explanation:
For H=2, time = (60×H)/11 = 120/11 = 10 10/11 minutes past 2.

This question belongs to: Reasoning Logical Reasoning

Question #3

Statements: All cars are bikes. Some bikes are cycles. Conclusions: I. Some cycles are cars. II. Some bikes are cars.

A. Only II follows

B. Both follow

C. Only I follows

D. Neither follows

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Correct Answer: Option A

Explanation:
All cars bikes means some bikes are cars. No definite cycles and cars.

This question belongs to: Reasoning Logical Reasoning

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