"A shopkeeper purchased 70 kg of potatoes for Rs. 420 and .sold the whole lot at the rate o
Channel: Doubtnut
Date: 2020-04-05

"A shopkeeper purchased 70 kg of potatoes for Rs. 420 and .sold the whole lot at the rate of Rs. 6.50 per kg. What will be his gain percent?
a. `4 1/6%`
b. `\ 6 1/4%`
c. `20 %`
d. `8\1/3%`
e. none of these"