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A man buys a certain number of oranges at 20 for 60 and an equal number at 30 for $ 60. He mixes them and sells them at 25 for $ 60. What is gain or loss percent?
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- Gain of 4%
- Loss of 4%
- Neither gain nor loss
- Loss of 5%
Correct Option: B
Let the man buy 60 oranges (LCM of 20 and 30) of each kind.
| CP of the 60 oranges of the first kind = | × 60 = $ 180 | 20 |
| CP of 60 oranges of second kind = | × 60 = $ 120 | 30 |
Total CP of 120 oranges = (180 + 120) = $ 300
| SP of 120 oranges = | × 120 = $ 288 | 25 |
Loss = CP of 120 oranges - SP of 120 oranges = $ (300 – 288) = $ 12
| ∴ Loss Percent = | × 100 = 4% | 300 |
