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A dishonest tradesman marks his goods at an advance of 5 percent on the cost price, and uses a fraudulent balance whose beam is horizontal when the weight in one scale is one-fifth more than the weight in the other. What is his actual gain percent ?
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- 30.25 %
- 32.25 %
- 33.25 %
- 31.25%
Correct Option: D
Suppose A packet of goods marked 1 kg
Actual weight = 800 gm.
C.P. at Re. 1/gm = Rs. 800
| S.P. of this packet = | × 1000 = Rs. 1050 | 100 |
Gain = 1050 - 800 = 250
| Gain % = | × 100 = 31.25 | 800 |
