By selling 90 pens for Rs., 80 a man loses 20 % . What should be selling price (in Rs. ) of 90 pens

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7.Profit and Loss

easy

By selling $90$ pens for $Rs.\, 80$ a man loses $20 \%$. What should be the selling price (in $Rs.$) of $90$ pens for $20\%$ profit?

A

$90$

B

$100$

C

$110$

D

$120$

Solution

$80 \%$ of $C.P$ of $90$ pens $=₹ 80$

$\therefore 120 \%$ of $C.P$ of $90$ pens $=\frac{80}{80} \times 120=₹ 120$

Standard 13

Quantitative Aptitude

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