A certain sum of money was loaned to B by A at simple interest. Interest was charged at 14% p.a for 1st two years, beyond that rate was increased by 1%and was constant for the next two years. After 4th year rate of interest increased by 7% P. A .till the money was repaid .If B returned Rs. 8058 as interest to A in 5 years, find the sum loaned by A. (Note: Increase in rate is measured on base rate.) 

A sum of money invested at compound interest amounts to Rs. 10000 in 4 years and to Rs. 12000 in 5 years. Find the amount that the sum will yield after 6 years. 

Amit borrowed a sum of money @5% p.a simple interest. If after 6 years the interest is Rs. 2352 less then the sum of money borrowed, find the money borrowed by Amit. 

Compound interest on a certain sum for 2 years at 20% P.A is Rs. 770. If same sum is lent for 3 years at S.I for 1% per month, find interest obtained on sum? 

A mobile is available for Rs 15000 cash or 3 equal installments. If the rate of interest charged is 15% per annum, calculate the monthly installment. 

A person borrowed Rs. 12000 at certain rate of simple interest and Rs. 13500 at 1% higher rate of interest. If after 4 years the total interest paid by him is Rs. 4620. Find the rate of interest at which he borrowed Rs 12000 

In what time Rs. 10000 invested at 30% per annum will yield Rs. 11970 as compound interest. 

A person buys 3 goats for Rs. 3000 and sells it for 3328 at a credit of 6 months. What is his gain percentage reckoning money worth with S.I of 8% P.a.? 

Amit bought a laptop of Rs.60000 and paid the sum back in 2 equal annual installments charged at 10% pa compound annually.  What is the amount of each installment? 

The difference between the simple interest and the compound interest, on a sum of Rs 8000 for two years is Rs 320.Find the annual rate of interest if it is same in both the cases 

A sum of Rs. 3903 is divided between A and B, so that A’s share at the end of the 7 years be equal to B’s share at the end of 9 years,if interest is charged at 4%compounded annually . Find A’s share. 

Amit lends a sum of money at 20% per annum compounded annually. If he charges the interest semi-annually he will receive Rs 400 more in one year than charged annually. Find the sum lead by Amit. 

Simple interest on a certain sum of money for 3 year at 8% P.A is half the compound interest on Rs. 4000 for 2 years at 10% P.A. The sum placed on S.I is. 

A bank offers 20% compound interest calculated on quarterly-yearly basis. A customer deposits Rs.3500 each on 1st April and increased his deposit by Rs 1500 every quarter. Find the sum withdrawn by the customer on 31th December of the same year. 

If the difference between CI and S.I on a certain sum of money for 3 years at 5% per annum is Rs. 122 find the sum.