by selling a pen for rs 165 sudha gains 10% .if she hsd sold it for 157.50,what woulf be the gain or loss percent?
narendramodi1101:
profit is ₹ 5
yes
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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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