Question
The cost price of a product is Rs. (10n + 200). It is
marked 30% above its cost price and sold after allowing a discount of Rs. (2n + 20). If the profit earned is Rs. 980, then find the value of 'n'.Solution
ATQ,
Marked price = 1.3 × (10n + 200) = Rs. (13n + 260)
Selling price = (13n + 260) - (2n + 20) = Rs. (11n + 240)
Profit = (11n + 240) - (10n + 200) = Rs. (n + 40)
So, n + 40 = 980
Or, n = 940
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