In a row of 40 students, Ravi is 15th from left and Sita is 20th from right. How many students are there between them? MCQ with Answer and Explanation

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In a row of 40 students, Ravi is 15th from left and Sita is 20th from right. How many students are there between them?

A. 5

B. 4

C. 6

D. 7

Answer: Option A

Solution (By JKSSB Mock Tests)

Sita's position from left = 40-20+1=21. Ravi's position =15. Number between them = 21-15-1=5.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the missing term: 2, 5, 14, 41, ?

A. 126

B. 122

C. 124

D. 120

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Correct Answer: Option B

Explanation:
Each term is multiplied by 3 and 1 is subtracted: 2×3-1=5, 5×3-1=14, 14×3-1=41, so 41×3-1=122.

This question belongs to: Reasoning Mental Reasoning

Question #2

Find the missing term: 1, 2, 6, 24, ?

A. 110

B. 96

C. 60

D. 120

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Correct Answer: Option D

Explanation:
The terms are factorials: 1!=1, 2!=2, 3!=6, 4!=24, so next is 5!=120.

This question belongs to: Reasoning Mental Reasoning

Question #3

Complete the series: Z, X, U, Q, L, ?

A. E

B. F

C. G

D. H

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Correct Answer: Option B

Explanation:
Differences: −2, −3, −4, −5, −6. L−6=F.

This question belongs to: Reasoning Mental Reasoning

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