Sum of ages of A, B and C = 28 × 3 = 84 years Sum of ages of B, A and D = 24 × 3 = 72 years So, C – D = 84 – 72 = 12 years Let the age of C and D be 5x and 3x years, respectively. 5x – 3x = 12 2x = 12 x = 6 So, age of D = 3x = 18 years.
A sum of money invested at a certain rate of compound interest per annum amounts to ₹86,800 in 2 years and to ₹95,4800 in 3 years. Find the rate of ...
A sum of money was invested at 10% p.a. compound interest (compounded annually), and it amounted to Rs. 6050 at the end of 2 year...
A sum of ₹10,000 is invested at a compound interest rate of 10% per annum. What will be the amount after 2 years if the interest is compounded annually?
What is the compound interest in a sum of 7500 for 12/5 years at 20% p.a., interest compounded yearly (nearest to an integer)?
What is the difference between the compound interest, when interest is compounded 5-monthly, and the simple interest on a sum of ₹12,000 for 1(1/4) y...
If Rs. 5,000 is compounded at an annual interest rate of 8%, what will be the amount after 3 years?
Rs. (3y + 600) is invested at 40% p.a. compound interest, compounded annually for 2 years, and earns an interest of Rs. (4y - 1200). Determine the value...
Investing Rs. (4z + 400) at 20% p.a. compound interest for 3 years yields an interest of Rs. (5z - 800). Find the value of ‘z’.(Can calculate approx...
Compound interest on a certain sum of money for 2 years is Rs.2660 while the simple interest on the same sum for the same time period is Rs.2500. Find t...
Digvijay takes a loan of ₹25,000 at an annual compound interest rate of 10%. He repays ₹4,000 at the end of each year. How much should he pay at the...
