Question
The cost price of a product is Rs. 400. The shopkeeper
marks it 25% above the cost price and then offers a discount of 10%. Calculate the overall gain or loss incurred.Solution
ATQ,
Marked price of the product = 400 + 400 × (25/100) = Rs. 500
Selling price of the product = 500 × 0.9 = Rs. 450
So, overall profit = 450 - 400 = Rs.50
1.      C = 50 + 0.5 Yd, I = 100 -50i, T=G=100
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