Rahul invested 50% of his money at 13% per annum and rest at 19% per annum. What would be the annual rate of interest, if the interest is calculated on the whole sum?
1). 16.5%
2). 15.6%
3). 16%
4). 15%
Find the compound interest on Rs. 12550 for 9 months at 12% per annum compounded quarterly.
1). Rs. 1164
2). Rs. 1125.18
3). Rs. 1198.72
4). Rs. 1164.32
Matt wants to earn an interest that is more than Rs. 4000 but less than Rs. 4200. For how many years should he invest in simple interest a sum of Rs. 17000 at a rate of 8.1% per annum?
Sunil invested Rs. 25000 in the scheme of simple interest. If the invested amount is four times the interest earned in 1st three years, then find the interest earned at the end of 4 years.
1). Rs. 4900
2). Rs. 5440
3). Rs. 6330
4). Rs. 7223.33
A sum of money placed at compound interest double itself in 3 years. In how many years will it amount to eight times itself?