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In a row of thirty boys, A is tenth from the right and B is seventh from the left end. How many boys are there between A and C, if C is third to the right of B?

Solution

✅ Correct Option: 1

A is 30−10+1=2130-10+1=21st from the left.

B is 7th, so C is 10th from the left.

The number between positions 10 and 21 is 21−10−1=1021-10-1=10.

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