The simple interest on a sum of money at r% p.a. for 4 years is equal to the compound interest on the same amount at 4% for 4 years compounded half-yearly. The value of r ,correct to 2 significant figures, is
A. 2.1
B. 4.2
C. 4.3
D. 9.2
Simple&compound interest
2009-04-17 6:52 am
回答 (1)
2009-04-17 7:31 am
✔ 最佳答案
x (4) r% = x(1+2%)^8-xr =4.29148452505664
the answer is C
收錄日期: 2021-04-13 16:34:01
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