Question

A girl buys 9 apples for RS.9.60 and sells that at 11 for Rs. 12. What does she gain or loss.

• A. gain 2.4%
• B. gain $2\frac{3}{11}$
• C. loss 2.4%
• D. loss $2\frac{3}{11}$

Answer 1

The correct option is B gain $2\frac{3}{11}$

CP 1 of apple = $\frac{9.60}{9}=\frac{3.20}{3}=\frac{320}{300}=\frac{16}{15}$
SP of 1 apple = $\frac{12}{11}$
Gain% = $\frac{\frac{12}{11}-\frac{16}{15}}{\frac{16}{15}}\times 100$
$\frac{(180-176)}{11\times 15}\times \frac{15}{16}\times 100$
=$\frac{4}{11}\times \frac{100}{16}$
= $\frac{25}{11}=2\frac{3}{11}$