Raju is twelfth from the left and Moliit is fifteenth from the right in a row. If we interchange their position, Mobil becomes twentieth from right. How many boys are there in the row?

Raju is twelfth from the left and Moliit is fifteenth from the right in a row. If we interchange their position, Mobil becomes twentieth from right. How many boys are there in the row? Correct Answer 32

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