Find the odd one out: 15, 21, 27, 28 MCQ with Answer and Explanation

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Find the odd one out: 15, 21, 27, 28

A. 28

B. 15

C. 27

D. 21

Answer: Option A

Solution (By JKSSB Mock Tests)

28 is even, while all other numbers are odd.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the next term: 2, 6, 12, 20, 30, ?

A. 46

B. 44

C. 40

D. 42

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Correct Answer: Option D

Explanation:
Differences are 4, 6, 8, 10, 12. So next term = 30 + 12 = 42.

This question belongs to: Reasoning Mental Reasoning

Question #2

If the numbers from 1 to 45 which are exactly divisible by 3 are arranged in ascending order, minimum number being on the top, which would come at the ninth place from the top?

A. 24

B. 27

C. 21

D. 18

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Correct Answer: Option B

Explanation:
Multiples of 3: 3,6,9,12,15,18,21,24,27,... Ninth is 27.

This question belongs to: Reasoning Mental Reasoning

Question #3

If the 5th day of a month is Tuesday, what day of the week will be the 20th of the same month?

A. Wednesday

B. Friday

C. Thursday

D. Saturday

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Correct Answer: Option A

Explanation:
From 5th to 20th is 15 days = 2 weeks +1 day. Tuesday +1 = Wednesday.

This question belongs to: Reasoning Mental Reasoning

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