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7.Profit and Loss
medium
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 a day?
A
$1956$
B
$1586$
C
$1496$
D
$3900$
Solution
Total number of notebooks sold in two weeks
$=2 \times 7 \times 10=140$
Total commission earned on selling of notebooks
$=140 \times 457 \times \frac{4}{100}=₹ 2559.2$
Similarly, commission earned on selling of pencils
$=2 \times 7 \times 6 \times 80 \times \frac{20}{100} ₹ 1344$
Total commission earned $=2559.2+1344=73903.2 \approx$ $3900$
Standard 13
Quantitative Aptitude
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