The marked price of a bed is ₹517, which is 30% above the cost price. If the profit percent is 2%. Find the discount percentage. (rounded off to two decimal places)

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 05 Jun, 2025 Shift 1)
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  1.  21.54%
  2.  20.36%
  3. 24.06%
  4. 18.57%

Answer (Detailed Solution Below)

Option 1 :  21.54%
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Detailed Solution

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Given:

Marked Price (MP) = ₹517

Mark-up = 30% on CP

Profit = 2% on CP

Formula used:

MP = CP × 1.30

SP = CP × 1.02

Discount % = ((MP - SP) / MP) × 100

Calculations:

⇒ CP = 517 / 1.30

⇒ SP = (517 / 1.30) × 1.02 = ₹405.64

⇒ Discount % = ((517 - 405.64) / 517) × 100

⇒ Discount % = 21.54%

The correct answer is Option (1).

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