Compound interest (compounding annually) on a sum for 2 years is Rs. 4180. If rate of interest is 20 percent per annum then what is the sum?

Rs. 8800 Rs. 9800 Rs. 9500 Rs. 8500

Rs. 9500

Compound interest at rate of 20% p.a. for 2 years = 20 + 20 + \(\frac{20×20}{100}\) = 40 +4 = 44% ATQ, 44% = 4180 1% = \(\frac{4180}{44}\) = 95 Initial sum = 100% = 100 × 95 = 9500