Question
What is the single discount rate that is equivalent to
applying three successive discounts of 10%, 15%, and 20%, respectively?Solution
Let the initial amount be Rs. '100x' Amount after three successive discounts = 100x X 0.9 X 0.85 X 0.8 = Rs. '61.2x' So, total discount allowed = {(100x - 61.2x)/100x} X 100 = 38.8%
Find the simple interest and total amount on ₹6500 at 6% per annum for 4 years.
A sum is lent on compound interest for 2 years at 13% p.a. If the compound interest on the sum is Rs.4153.5, find the sum.
The interest earned when a sum is invested at simple interest of 20% p.a., for 3 years, is Rs. 1500. What will be the total amount received after 2 year...
If the difference between compound interest (compounded annually) and simple interest earned in two years at 15% p.a., is Rs. 450, then find the sum in...
Anoop invested a sum at a simple interest rate of 8% per annum, and it grew to Rs.1,850 in 6 years. If the same sum is invested at a compound interest r...
- Calculate the simple interest on Rs. 7,500 at the rate of 12% per annum for 18 months.
A certain sum is invested at a compound interest rate, compounded annually, which grows to Rs. 12,240 after 2 years and to Rs. 17,625.6 after 4 years. I...
Anita and Rohan each invested a sum of ₹12,000 for 2.5 years at 20% compound interest per annum. However, while for Anita the interest was compounded ...
- A certain sum was invested at simple interest. After 5 years, it became (117/ ninety) times the amount it had reached in 3 years. Find the annual rate of i...
- What will be the total amount earned after 3 years on an investment of Rs. 45,000 at 10% per annum simple interest?
Relevant for Exams:
