Mamun is twelfth from the left and Alam is fifteenth from the right in a row. If we interchange their positions, Alam becomes twentieth from right. How many boys are there in the row ?
Created: 8 months ago | Updated: 1 month ago
Job Solution Dutch-Bangla Bank Ltd Dutch-Bangla Bank Ltd - Asst. Officer (ATM Help Desk) - 02-01-2009 গণিত
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