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A fruit seller buys oranges at the rate of 12 for ₹60. How many oranges should he sell for ₹60 so as to gain 20%?
Question

A fruit seller buys oranges at the rate of 12 for ₹60. How many oranges should he sell for ₹60 so as to gain 20%?

A.

9

B.

10

C.

11

D.

8

Correct option is B

Given:

Cost price (CP) of 12 oranges = ₹60

Desired gain = 20%

We are to find how many oranges should be sold for ₹60 to gain 20%.

Solution:

CP of 1 orange = 6012\frac{60}{12}​ = ₹5

SP = ₹60

Required CP for 20% gain = SP×100120\frac{SP \times 100}{120}​​

=60×100120= \frac{60 \times 100}{120}​​

= ₹50

Number of oranges he should sell for ₹60 = 505\frac{₹50}{₹5} ​= 10

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