"A toy merchant announces 25% rebate in prices of balls. If one needs to have a rebate o
Channel: Doubtnut
Date: 2020-04-05

"A toy merchant announces 25% rebate in prices of balls. If one needs to
 have a rebate of Rs. 40, then how many balls each costing Rs. 32, he should
 purchase?
`5`
b. `6`
c. `7`
d. `10`"