18 : 54 :: 24 : ? MCQ with Answer and Explanation

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18 : 54 :: 24 : ?

A. 72

B. 60

C. 84

D. 48

Answer: Option A

Solution (By JKSSB Mock Tests)

The relation is n × 3. 18 × 3 = 54; 24 × 3 = 72.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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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. 27

B. 24

C. 18

D. 21

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Correct Answer: Option A

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

This question belongs to: Reasoning Mental Reasoning

Question #2

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CAT : DDY :: DOG : ?

A. EQM

B. EPH

C. FSM

D. ERL

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Correct Answer: Option D

Explanation:
C+1=D, A+3=D, T+5=Y. Similarly, D+1=E, O+3=R, G+5=L, so DOG becomes ERL.

This question belongs to: Reasoning Mental Reasoning

Question #3

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Find the missing term: 240, 120, 60, 30, ?

A. 10

B. 20

C. 15

D. 5

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Correct Answer: Option C

Explanation:
Each term is divided by 2: 30÷2=15.

This question belongs to: Reasoning Mental Reasoning

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