A person sells taperecorders at Rs. 1134 each after giving a discount of 19 % on marked price. Had h

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7.Profit and Loss

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A person sells taperecorders at $Rs. 1134$ each after giving a discount of $19 \%$ on the marked price. Had he not given the discount, he would have earned a profit of $40 \%$ on the cost price. The cost price of each taperecorder is (in $Rs.$)

A

$1000$

B

$1200$

C

$1400$

D

None of these

Solution

Using the formula

$CP =\left[\frac{100^{2} z}{(100-d)(100+p)}\right]$

the cost price of each taper$-$ecorder is given by

$C.P.$ $=\left[\frac{100 \times 100 \times 1134}{(100-19)(100+40)}\right]$

$=\frac{100 \times 100 \times 1134}{81 \times 140}=Rs. 1000$

Standard 13

Quantitative Aptitude

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