A invests Rs.5600 on simple interest at R% for four years and he invested…
2025
A invests Rs.5600 on simple interest at R% for four years and he invested Rs.4800 on compound interest at 10% p.a. for two years. If the simple interest is Rs.672 more than that of compound interest, then find the value of R.
Answer: A. 7.5 — Compound interest on Rs. 4800 at 10% for two years is 4800 x 21% = Rs. 1008. Simple interest is Rs. 672 more, so SI = Rs. 1680. Thus 5600 x R x 4 / 100 =…
- A.
7.5
- B.
8
- C.
1.5
- D.
10
- E.
12
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Correct answer: A
Compound interest on Rs. 4800 at 10% for two years is 4800 x 21% = Rs. 1008. Simple interest is Rs. 672 more, so SI = Rs. 1680. Thus 5600 x R x 4 / 100 = 1680, giving R = 7.5.
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