computer set was sold at a profit of 7% if it had been sold at a profit of 10% the profit could have been rupees 780 what is it CP
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Answer: 26000
Step-by-step explanation: Let, C.P = X
(100 + 10)X /100 - (100+7)X /100 = 780
110X/100 - 107X/100 = 780
X = 26000
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