Let Mahesh give Vijay ₹x and Ajay ₹(1617 - x). According to the question, the final amounts for Vijay and Ajay are equal: x(1+10∕100)15=(1617−x)(1+10∕100)16 ⇒x(1.1)15=(1617−x)(1.1)16 ⇒x=(1617−x)(1.1) ⇒x=1617×1.1−x×1.1 ⇒x+1.1x=1617×1.1 ⇒2.1x=1778.7 ⇒x=1778.7∕2.1 ⇒x=847