In a row of boys facing north Sudhanshu is twelfth from his left. When shifted to his right by four places he becomes he becomes eighteenth from the right end of the row How many boys are there in the row ?
Solution
Number of people to the left of the person when he is in the initial position = 11
Number of people to the right of the person when he is in the final position = 17
Number of people between the initial and final positions = 3
Number of people in the row = 11 + 17 + 3 + 2 (2 for both the positions) = 33
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