The tagged price of a laptop is Rs 40,000/-. The shop keeper after giving 9% discount on tagged price and then additional student discount of Rs. 400/- to Ram, gets 20% profit. Then the cost price of laptop is
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Answer:
Marked price = ₹ 1,700
Selling price = ₹ 1,540
∴ Discount = Marked price − Selling price = ₹ 1,700 − ₹ 1,540 = ₹ 160
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Step-by-step explanation:
Using successive discount
Discount = a +b - (ab)/100
⇒ 30 + 10 - (30 × 10)/100
⇒ 40 - 3
⇒ 37
Selling price = 2000 × (63/100)
⇒ 20 × 63
⇒ 1260
∴ The final amount paid by the customer was 1260.
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