pens are brought at 12 for $60 and sold at 10 for $ 70. find profit or loss as percentage
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(i) CP = Rs. 950
Gain = 6%
SP ={(100 + Gain%)100× CP } = {(100 + 6)100× 950} = 106100× 950 = 100700100 = Rs. 1007SP ={(100 + Gain%)100× CP } = {(100 + 6)100× 950} = 106100× 950 = 100700100 = Rs. 1007
(ii) CP = Rs. 9600
Gain = 1623% = 50 3%1623% = 50 3%
SP={ (100 + Gain%)100× CP} = {(100 + 503)100× 9600} = 350300 ×9600 = 33603 = Rs. 11200SP={ (100 + Gain%)100× CP} = {(100 + 503)100× 9600} = 350300 ×9600 = 33603 = Rs. 11200
(iii) CP = Rs. 1540
Loss = 4%
SP={(100 − Loss%)100× CP} = {(100 − 4)100× 1540} = 96100
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