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7.Profit and Loss
medium
When a book is sold at its Marked Price it gives a profit of $40 \% .$ What $\%$ will happen if it is sold at half the marked Price?
A
$30 \%$ profit
B
$25 \%$ loss
C
$30 \%$ loss
D
$40 \%$ profit
Solution
Let us assume that cost of the book is $Rs.\, 100$
and Market Price is $Rs.\, 140$ If we sell the book at half of $MP$
then selling Price $=\frac{140}{2}=$ $Rs.\, 70$
So percent loss $=(100-70)=30 \%$ loss
Standard 13
Quantitative Aptitude