Question

In a row of thirty boys R is fourth from the right end and W is tenth from the left end How many boys are there between R and W?

• A. 15
• B. 16
• C. 17
• D. None of these

Answer 1

Answer: (B)

16

W is ${10}^{th}$ from the left
R is $4^{th}$ from the right Position of R is 30 - 4 + 1 = ${27}^{th}$ from left
Number of boys between R and W = 27 - 10 - 1 = 16
So the answer is (2)