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7.Profit and Loss
medium
The difference between successive discounts of $40 \%$ followed by $30 \%$ and $45 \%$ followed by $20 \%$ on the marked price of an article is $Rs.\,12.$ The marked price of the article is (in $Rs.$)
A
$400$
B
$200$
C
$800$
D
$600$
Solution
$S.P.$ in the $1^{\text {st }}$ discount $=.6 \times .7=.42 \times$ $M.P.$
$S.P.$ in the $2^{\text {nd }}$ discount $=.55 \times .8=.44 \times$ $M.P.$
Difference $=₹ 12$
$.02 \times MP .=12$
$M.P.\frac{12}{02} \Rightarrow Rs. 600$
Standard 13
Quantitative Aptitude
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