Question

a person had a certain amount . He invested 5/6 th of it in shares, 5% of it in mutual funds. 10% of it in debentures and kept the remaining Rs 850 with him. if got intersted at 10% for a year on debentures , what amount did he get as interest.

Answer 1

Step-by-step explanation:

let x be amount

5/6x +5% of x+ 10% of x+850 = x

0.83x +0.05x+0.1x+850 = x

0.98x +850 =x

0.02x = 850

x= 42500

10% of 10% of 42500

0.1×.1×42500 =425

425 is amount he gets as interest