saket has deposited a certain amount in the bank to earn compound interest at the rate of 10% per annum. The difference in the interest on the amounts in the third and in second year is ₹24.200. what amount has saket deposited?

Options

A. ₹2.10 lakhs
B. ₹219,000
C. ₹2 lakhs
D. ₹190,000

Answer

C

Explanation

Interest for 2 yrs = `10 + 10 + ( 10 xx 10) //100 = 21%`
Interest for 3 yrs = 21 + 10 + ` ( 21 xx 10) //100 = 33.1% `
Now ( 33.1 -21)% of P = 24200
or 12.1 % of P = 24200
or ,P ` ( 24200 xx 100) //12.1 = 2 " lakh`