The simple interest on a sum of money for 2 years at 6½ % per annum i

1.	The simple interest on a sum of money for 2 years at 6½ % per annum is rs 5200. What will be the compound interest on the same sum at the same rate for the same period, compounded annually?# for Mods and stars only# no spam please
Answer» ANSWER: Compound INTEREST = Rs. 5369 Step-by-step explanation: SI = Rs. 5200 N = 2 years R = 6.5 p.c.p.a $i \: = \frac{p \times n \times r}{100}$ $5200 = \frac{p \times 2 \times 6.5}{100}$ $\frac{5200 \times 100}{2 \times 6.5} = p$ $40000 = p$ P = Rs. 40000 $a \: = p \times (1 + \frac{r}{100} )$ a = amount at the end of 2 years, if COMPOUNDED annually $a \: = 40000 \times ( 1 + \frac{6.5}{100} ) ^{2}$ $a \: = 40000 \times ( \frac{100 + 6.5}{100} ) ^{2}$ $a \: = 40000 \times ( \frac{106.5}{100} ) ^{2}$ $a \: = 40000 \times \frac{106.5}{100} \times \frac{106.5}{100}$ a = Rs. 45369 CI = a - p = 45369 - 40000 CI = Rs. 5369 I hope it HELPS...