Rahul is 10th from front and 16th from back. How many people are there in the line?

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A 26
B 10
C 16
D 25

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Answer: D. 25

Rahul is counted once from the front and again from the back. So the total is 10 + 16 - 1 = 25 people. Adding 10 + 16 = 26 counts him twice.

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Rahul is 10th from front and 16th from back. How many people are there in the line?

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