Directions From the four answers given, shade the appropriate answer in the space provided for it on the OW Answer Sheet. |
A) 20%
B) 21%
C) 24%
D) 25%
Correct Answer: D
Solution :
Ans. Suppose goods cost the shopkeeper Rs 100 per kg. But he sells for Rs 100 what cost him Rs 80. So, gain on Rs 80 =100-80 Rs 20 Gain on \[100=\frac{20}{80}\times 100=\frac{100}{4}\,\text{Rs}\,25\] Percentage of gain = 25 % Shortcut Method In this condition Percentage gain \[\frac{\text{Error in weight}}{\text{False weight}}\times 100\] \[=\frac{1000-800}{800}\times 100\] \[=\frac{200}{800}\times 100=25%\]%You need to login to perform this action.
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