Question

# Vikash buys a refrigerator at a discount of 20% on the marked price. He spends â‚¹ 50 on maintenance. If he sells it for â‚¹ 2100 inclusive of sales tax @ 5% on marked price, then calculate his profit.

A
12.81%
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B
17.89%
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C
21.21%
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D
29.29%
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Solution

## The correct option is C 21.21%Let the Marked Price of refrigerator be x. The Price at which the Vikash buys the refrigerator = x−20x100 = 80x100 He spends ₹ 50 on its maintenance. Sales tax at 5% on MP = 5x100 SP is inclusive of sales tax of 5%. ∴ According to the problem : 105x100 = ₹ 2100 ⇒ x = ₹ 2000 ∴ CP for Vikash = 80x100×MP + ₹ 50 = 80×2000100 + ₹ 50 = ₹ 1600 + ₹ 50 = ₹ 1650 Profit = SP - CP = ₹ 2100 - ₹ 1650 = ₹ 350 Profit % = 350×1001650 Profit % = 21.21%

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