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ATQ, First, calculate the compound interest rate 'y': 
Now, compute the interest with simple interest formula at (y + 4)%: Hence, Required interest = 
Rs.2160 She would have earned Rs. 2160 in interest.
On Rs. 6000 invested at a simple interest at the rate of 4% p.a., Rs. 2400 is obtained as interest in certain years. In order to earn Rs. 4800 as intere...
Karan invested a certain amount of money, splitting it into two equal parts. He placed one part in a simple interest scheme at an annual rate of 15% for...
A person invests Rs.15,000 in two different schemes. The first scheme offers simple interest at 10% per annum, and the second scheme offers simple inter...
The amount becomes ₹ 1,451.25 in one year on a simple rate of interest. If the rate of interest was 2% higher, the amount would have been ₹ 27 more...
Rs. 8000 is invested in scheme ‘A’ for 3 years and Rs. 4000 is invested in scheme ‘B’ for 2 years. Scheme ‘A’ offers simple interest of 6% p...
A man deposited Rs. 12000 at 10% compound interest, compounded annually while Rs. 10500 at 13% simple interest per annum. What will be the difference be...
Simica invested a certain amount of money at a simple interest rate of 12.5% per annum and earned Rs. 2,400 as interest over 3 years. If Tabu invested t...
Bittu, Tittu and Mitthu invested Rs. 80000, Rs. 100000 and Rs. 120000 respectively to start a business . Partnership condition is that, each will get in...
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1800 and simple interest of Rs.1600 at the end of 2 year...
Vipul invested Rs.4000 at the rate of R% simple interest for four years and he got Rs.1600 as interest. If he invest same amount for 2 years in C.I. an...
