A shopkeeper marks his goods 20% above the cost price and also give a discount of 10% find gain percent
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Let the C.P be Rs. 100
M.P = 20% above C.P = 100 * 120/100 = Rs. 120
Discount = 10%
S.P = M.P * (100-D)/100 = 120 * 90/100 = Rs. 108
Gain = S.P - C.P = 108 - 100 = 8
Gain% = Gain/C.P * 100 = 8/100 * 100 = 100%
Hope it helps.
OR
Gain% = Marked up% - Discount% - (markedup%*Discount%)/100
Gain% = 20 - 10 - (20*10)/100 = 20 - 10 - 2 = 8%
M.P = 20% above C.P = 100 * 120/100 = Rs. 120
Discount = 10%
S.P = M.P * (100-D)/100 = 120 * 90/100 = Rs. 108
Gain = S.P - C.P = 108 - 100 = 8
Gain% = Gain/C.P * 100 = 8/100 * 100 = 100%
Hope it helps.
OR
Gain% = Marked up% - Discount% - (markedup%*Discount%)/100
Gain% = 20 - 10 - (20*10)/100 = 20 - 10 - 2 = 8%
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