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Nano Bubble Technology was introduced to clean and purify water by removing algae, improving conditions for aquatic animals.
Anjali invested Rs.14000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from ...
A sum doubles in seven years at simple interest. In how many years will the sum become five times the original sum?
A certain sum when invested at compound interest (compounded annually) of 8% p.a. for 4 years, gives an interest of Rs. 4879.20. Calculate the approxima...
Kajal invested Rs. (y+2000) on compound interest at the rate of 18% per annum compounded annually in scheme P. She invested Rs. ‘y’ on 20% per annum...
Meera had Rs. 3500 with her. She invested Rs. ‘c’ at 14% p.a. simple interest for 6 years and the remaining sum at 20% p.a. compound interest, compo...
A certain sum of money becomes 2500 in 6 years and Rs. 3240 in 10 years at any certain rate of simple interest. Find the principal amount.
The simple interest on a sum of Rs X in 5 years is (2/5)of the principal. What is the annual rate of interest?
If the ratio of the sum invested and simple interest received after 1 year is 25:7 respectively, then find the rate of interest.
A total of Rs. 14,500 is divided between two individuals, 'A' and 'B', in the proportion 16:13. If 'B' decides to invest his share in a financial scheme...
A certain sum of money becomes 7000 in 6 years and Rs. 8240 in 10 years at any certain rate of simple interest. Find the principal amount.
