If goods be purchased for Rs 840 and one fourth be sold at a loss of 20 at what gain per cent should...........

Quantitative Aptitude ( CCS) Profit and loss

If goods be purchased for Rs 840, and one-fourth be sold at a loss of 20%, at what gain per cent should the remainder be sold so as to gain 20% on the whole transaction?

20%

25%

33.33%

50%

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Explanation:

3/4 of 840=630rs

1/4 th of 840=210

Total Gain on 840 rs is 20%= 840/5 =168 rs

=> total s.p = 840 + 168 = 1008 rs

1/4 th means, 210rs sold out 20% loss => S.P = 168rs
3/4 th means, 630rs S.P. will be 840rs ( because total s.p = 1008 )
Profit %age = 210/630 × 100 = 33.33%