Reet invested an amount of Rs A for 2 years at 12% compound interest and received some amount of interest. Sonali invested Rs (A + 1500) for 3 years at 8% simple interest and received same amount of interest as Reet received. Find the amount that is invested by Reet.

Shivani has some amount of money ans she invested the money in two schemes A and B in the ratio of 2 : 5 for 2 years, scheme A offers 30% pa compound interest and scheme B offers 15% pa Simple interest. Difference between the interest earned from both the schemes is Rs.1080. How much was invested in scheme B?

A sum of Rs.8584 is to be paid back in 3 equal annual installments. How much is each installment if the interest is compounded annually at 14% per annum?

Anjana lent Rs. 7000 to Sunil for 3 years and Rs. 5000 to Saurabh for 5 years on simple interest at the same rate of interest and she received Rs. 5520 from both of them as interest. Find the rate of interest.