In a row of children, R is 11th from the left and 17th from the right. How many children are there in the row? MCQ with Answer and Explanation

In a row of children, R is 11th from the left and 17th from the right. How many children are there in the row?
A. 28
B. 26
C. 29
D. 27
Answer: Option D
Solution (By JKSSB Mock Tests)
Total = left position + right position − 1 = 11 + 17 − 1 = 27.

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Practice More Mental Reasoning Questions

Question #1
Find the missing term: 1, 2, 5, 10, 17, 26, ?
A. 35
B. 36
C. 38
D. 37

Correct Answer: Option D


Explanation:
Differences are +1, +3, +5, +7, +9, so next difference is +11: 26+11=37.

This question belongs to: Reasoning Mental Reasoning
Question #2
Find the odd one out: 2, 3, 5, 7, 9
A. 9
B. 3
C. 2
D. 7

Correct Answer: Option A


Explanation:
9 is composite, while 2, 3, 5 and 7 are prime numbers.

This question belongs to: Reasoning Mental Reasoning
Question #3
In a certain code language, 'Roses are red' is written as 'ni pe to', 'Violets are blue' is written as 'pe ki to', 'Roses are beautiful' is written as 'ni pe so'. What is the code for 'beautiful'?
A. ni
B. to
C. pe
D. so

Correct Answer: Option D


Explanation:
From first and third, 'Roses are' common = ni pe. Remaining in third is 'beautiful' = so.

This question belongs to: Reasoning Mental Reasoning