The marked price of a chair is Rs. 1200. This chair is sold at two successive discounts of 30 percent and 20 percent. What is the selling price of chair?  

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  1. Rs. 324
  2. Rs. 576
  3. Rs. 680
  4. Rs. 672

Answer (Detailed Solution Below)

Option 4 : Rs. 672
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Detailed Solution

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Given:

Marked price of a chair = Rs. 1200

First discount = 30%

Second discount = 20%

Formula Used:

Selling price after successive discounts = Marked price × (1 - First discount) × (1 - Second discount)

Calculation:

First discount = 30% = 30/100 = 0.30

Second discount = 20% = 20/100 = 0.20

Selling price after first discount:

Marked price × (1 - First discount )

⇒ 1200 × (1 - 0.30)

⇒ 1200 × 0.70

⇒ 840

Selling price after second discount:

Selling price after first discount × (1 - Second discount)

⇒ 840 × (1 - 0.20)

⇒ 840 × 0.80

⇒ 672

The selling price of the chair is Rs. 672.

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