| Directions: Study the following graph carefully to answer the given questions. [NlCL (AO) 2014] |
 |
| (i) Profit = (Income \[-\] Expenditure) |
| (ii) Profit per cent = (Profit/Expenditure \[\times \]100) |
| (iii) Loss = (Expenditure \[-\] Income) |
| (iv) Loss per cent = (Loss / Expenditure \[\times \]100) |
| If income of the businessman increased by 40% from September to October and his expenditure decreased by 30% from September to October, what was his profit per cent in October? |
A) \[56\frac{9}{13}\]%
B) \[51\frac{5}{13}\]%
C) \[45\frac{9}{13}\]%
D) \[53\frac{11}{13}\]%
E) \[48\frac{7}{13}\]%
Correct Answer: D
Solution :
| Income of October \[=400\times \frac{140}{100}=560\] |
| Expenditure in October \[=520\times \frac{70}{100}=364\] |
| \[\therefore \] Profit = Income \[-\] expenditure |
| \[=560-364=196\] |
| \[\therefore \] Profit %\[=\,\,\frac{196}{364}\times 100\,\,=\,\,53\frac{11}{13}\]% |
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