Question
Three persons A, B and C invested different amounts in a
business, which are in A.P. The amount invested by B is Rs. 3000 more than that of A. C invested the highest amount. Find the total profit received if all of them invested their sum for equal duration and A invested Rs. 15000 for 4 months and received Rs. 1800 as profit.Solution
Ratio of profits received by A, B and C= (15000 × 4):(18000 × 4):(21000 × 4) = 5:6:7 Therefore, total profit received = 1800 × (5 + 6 + 7)/5 = Rs. 6480
Rs. 1600 is invested at 5% p.a. on simple interest, while Rs. (1600 – A) is invested at 10% p.a. on compound interest. If the difference between total...
An amount is invested at a compound interest rate of 21% per annum, with compounding occurring once every 10 months. After 20 months, the interest earne...
If Rs. 12,500 is invested at simple interest for 2.5 years and the total amount becomes Rs. 15,625, what is the rate of interest per annum?
A sum of Rs.80 is lent to be returned in 90 months installments of Rs.10 each, interest simple. The rate of interest is: -
An amount of Rs. 7200 is invested at 30% p.a. simple interest for 5 years. The interest gained is then deposited at 10% p.a. compound interest for 2 yea...
Simple interest and compound interest (compounded annually) earned on a sum at the end of 2 years at a certain rate of interest p.a. are Rs. 1100 and Rs...
A man invested Rs. 'D' at simple interest of 22% and Rs. 'D + 5000' at simple interest of 18% p.a., for 2 years each. If the interest earned from both i...
Nidhi invested Rs. 2500 at R% S.I. and Rs. 7500 at (R + 3)% S.I. for 4 years. She paid a total interest of Rs. 4500. Find the rate on Rs. 7500.
An amount of Rs. 2400 is placed in SIP 'P' at a 25% per annum simple interest rate for 8 years, and Rs. 2500 is invested in SIP 'Q' with a 20% annual co...
A certain sum of money is given at a certain rate for 3 years. Had it been given at 5% higher rate; it would have fetched Rs.600 more. Find the sum.