By selling a pen for Rs165, mukthi gains 10%. If she sold the pen at Rs.157.50, what percentage would she have lost or gained?
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if 110 is the SP CP=100
165 was the SP
110 ------100
165-------x
x/100=165/110
x=(100*165)/110
CP= 150
sold for 157.50
150--------------7.50
100--------------x
x/7.50 = 100/150
x=7.50*100/150
She makes a profit of 5%
165 was the SP
110 ------100
165-------x
x/100=165/110
x=(100*165)/110
CP= 150
sold for 157.50
150--------------7.50
100--------------x
x/7.50 = 100/150
x=7.50*100/150
She makes a profit of 5%
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