Question
By selling 25 metres of cloth, a trader gains a profit
equal to the cost price of 5 metres of the same cloth. What is the profit percentage?Solution
ATQ,
Let the selling price of 1 metre cloth be Rs. βSPβ and the cost price of 1 metre cloth be Rs. βCPβ.
ATQ,
25 Γ SP β 25 Γ CP = 5 Γ CP
Or, 25 Γ SP = 30 Γ CP
Or, SP/CP = 30/25 = 6/5
Required profit percentage = {(6 β 5)/5} Γ 100 = 20%
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