# BY SELLING A WATCH FOR $1275,JAVED LOST 15%.AT WHAT PRICE SHOULD HE SELL TO MAKE A PROFIT OF 10%?

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Price at which Javed sold the watch=$1275

and loss he suffered=15%

So according to formula of Cost Price when Loss is given is

=100/(100-Loss%)*S.P

=100/(100-15)*$1275

which will result into $1500

So Javed bought the watch in $1500

and, Javed's desired gain or profit is of 20%

So according to formula of Selling Price when Profit is given is

=(100+Gain%)/100*C.P

=(100+20)/100*$1500

which will result into $1800

Hence, Javed should sell the watch for $1800.

And that's the answer..

LET CP= $100

THEN SP=$85

IF SP = $85,THEN CP = $100

IF SP =$1,CP=$100/85

IF SP=$1275,THEN CP=$100/85 * 1275

=$1500

NOW, CP=$1500 AND PROFIT%=10%

THEN,PROFIT=CP*PROFIT%

=$1500*10%

=$150

SP=CP+PROFIT

=$1275+$150

=$1425

THEREFORE,JAVED SHOULD SELL THE WATCH AT $1425 IN ORDER TO GAIN 10%