Question

By selling 12 toffees for a rupee, a man loses 20%. How many for a rupee should he sell to get a gain of 20%?

• A. 5
• B. 8
• C. 10
• D. 15
• E. 19

Answer 1

The correct option is B

8

Let S.P. of 12 toffees be Rs. x.

$Then,80:1=120:xorx=\frac{120}{80}=\frac{3}{2}$.

$ForRs.\frac{3}{2},toffeessold=12.$

For Re. 1, toffees sold = $\left(12\times \frac{2}{3}\right)=8.$