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In a row of thirty boys, R is 4th from right end and W is 10th from the left end. How many boys are there between R and W?

This question was previously asked in
OPSC ASO (Maths & Reasoning) 27 Aug 2022 Official Paper
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  1. 15
  2. 16
  3. 17
  4. Cannot be determined

Answer (Detailed Solution Below)

Option 2 : 16
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Detailed Solution

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Given: Row of thirty boys

R's Position from the right end of the row → 4th

W's Position from the left end of the row → 10th

So, number of boys between R and W = Total boys - R's position from right end - W's position from left end 

= 30 - 4 - 10 → 16 boys

Hence, "Option 2" is the correct answer.

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