SSC Government Jobs Exams Numerical Ability Profit and Loss

Nitin bought some oranges at Rs. 40 a dozen and an equal number at Rs.30 a dozen. He sold them at Rs. 45 a dozen and made a profit of Rs.480. The number of oranges, he bought, waS

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Ans : Let the number of oranges bought be x.

? 45x/12 70x/24 = 480

? (45-35)/12 = 480

? x = 480*12/10 = 576

= 48*12 = 48 dozen
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Options
1) Rs.360
2) Rs.400
3) Rs.420
4) Rs.300