| A shopkeeper sells notebooks at the rate of Rs. 457 each and earns a commission of 4%. He also sells pencil boxes at the rate of Rs. 80 each and earns a commission of 20%. How much amount of commission will he earn in two weeks, if he sells 10 notebooks and 6 pencil boxes in a day? [CBI (PO) 2010] |
A) Rs. 1956
B) Rs. 1586
C) Rs. 1596
D) Rs. 1496
E) None of these
Correct Answer: E
Solution :
| SP of notebooks \[=\text{Rs}\text{. 457}\] |
| \[\therefore \]Commission on one notebook\[=\text{Rs}.\frac{4\times 457}{100}\] |
| and commission on 10 notebooks |
| \[=\frac{4\times 457}{100}\times 10=\text{Rs}\text{.}\,\text{182}\text{.80}\] |
| SP of pencil box = 80 |
| Commission of one pencil box\[=\frac{80\times 20}{100}\] |
| \[\therefore \]Commission of 6 pencil boxes \[=\frac{80\times 20}{100}\times 6=96\] |
| Total commission in one day = 182.80 + 96 |
| \[=\text{Rs}.\,\,278.80\] |
| \[\therefore \]Total commission in 14 days \[=278.80\times 14\] |
| \[=\text{Rs}.\,\,3903.2\] |
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