Question

Prem sold a transistor to Sudhir at a gain of 10% and sudhir sold it to Hari at a gain of 15%. Prem had bought it for 500 rupees,what did it cost to hari

Answer 1

Sudhir bought it for=500+10%*500
=550 rupees

Hari bought it for=550+15%*550
=550+82.5=632.5

Answer 2

Sudhir bought it for=500+10℅of 500=Rs 550. Hari bought it for=550+15℅of Rs 550=Rs550+82.5=632.5. Hope it helps