A man earns an interest of ₹510 on a sum he lent at 17% per annum for two years. Had he earned 10% more interest on the same amount in same time , what should be the rate of interest?
The interest earned on Rs. 20000 at the rate of 20% per annum for 1.5 years if compounded semi annually is how much more than the simple interest earned on the same amount with the same rate of interest for the same period.
Babita invested a sum of money for 2 years at 4% per annum simple interest and earned Rs.480 as the interest.
How much more amount would she get if she had invested the same sum for the same time at the same rate compounded annually?