Multiple choice

The simple interest on a sum of money be 20% of the principal in 4 years, then find the rate percent per annum. किसी धनराशि पर 4 सालों का साधारण ब्याज मूलधन का 20 प्रतिशत है तो ब्याज की दर ज्ञात कीजिए।

  1. 8%

  2. 10%

  3. 6%

  4. 5%
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SI = P×R×T/100. Given SI = 20% of P = 0.2P, T = 4 years. So 0.2P = P×R×4/100. Solving: 0.2 = 4R/100, R = 5%. Options A, B, C (8%, 10%, 6%) are incorrect.

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