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In a row of boys, Shilpkar is seventh from the left and Revan is seventeenth from the right. If they interchange their positions, Shilpkar becomes fifteenth from the left. How many boys are there in the row?

In a row of boys, Shilpkar is seventh from the left and Revan is seventeenth from the right. If they interchange their positions, Shilpkar becomes fifteenth from the left. How many boys are there in the row? Correct Answer 31

Revan is seventeenth from the right. 

If they interchange their positions then Shilpkar comes at Revan’s place

Shilpkar becomes fifteenth from the left and now he is seventeenth from the right so total boys are 15 + 17 - 1 = 31.

Hence, the total number of boys in the row is 31.

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