the difference between simple interest and compound interest of a cert | Examsbook

1104

Q: The difference between simple interest and compound interest of a certain sum of money at 20% per annum for 2 years is Rs. 56. Then the sum is :

1
Rs. 3680
2
Rs. 2650
3
Rs. 1400
4
Rs. 1170

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चर्चा

Answer : 3. "Rs. 1400"
Explanation :
Answer: C) Rs. 1400 Explanation: We know thatThe Difference between Compound Interest and Simple Interest for n years at R rate of interest is given by C.In - S.In = PR100n Here n = 2 years, R = 20%, C.I - S.I = 56 56 = P201002=> P = 56 x 52=> P = 56 x 25=> P = Rs. 1400

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