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Multiple choice

If simple interest is Rs. 640 in 5 years at the rate of 8% then what will be the principal amount?

  1. Rs. 1,280

  2. Rs. 1,600

  3. Rs. 3,200

  4. Rs. 2,400

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Using SI = P × R × T / 100, we have 640 = P × 8 × 5 / 100 = 40P/100 = 2P/5, so P = 1600.

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