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The current price of a laptop is ₹78,000 after a 20% increase this year. What was the price of the laptop last year?

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RPF Constable 2024 Official Paper (Held On 02 Mar, 2025 Shift 3)
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  1. ₹65,000
  2. ₹65,450
  3. ₹64,200
  4. ₹62,400

Answer (Detailed Solution Below)

Option 1 : ₹65,000
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Detailed Solution

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Given:

Current price of the laptop = ₹78,000

Percentage increase = 20%

Formula Used:

Last year's price = Current price / (1 + Percentage increase)

Calculation:

Let last year's price be P.

Current price = P × (1 + 20/100)

⇒ ₹78,000 = P × 1.20

⇒ P = ₹78,000 / 1.20

⇒ P = ₹65,000

The price of the laptop last year was ₹65,000.

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