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7.Profit and Loss
easy
An article is sold for $Rs.\,4950$ at a gain of $10 \% .$ What would have been the gain or loss per cent if it had been sold for $Rs$ $4275 ?$
A
$10 \%$ gain
B
$10 \%$ loss
C
$5 \%$ gain
D
$5 \%$ loss
Solution
$C.P. = S.P. \times \frac{100}{100+10}=4950 \times \frac{100}{110}=₹ 4500$
If $S.P. =4275, \operatorname{loss} \%=\frac{4500-4275}{4500} \times 100=\frac{225}{4500} \times 100=5 \%$
Standard 13
Quantitative Aptitude