Question
Sneha travels a route in 9 hours at a constant speed of 14
km/h. If she wants to reduce the time to 6 hours, what should be her new speed?Solution
ATQ,
Distance travelled by Sneha in 9 hours = 14 × 9 = 126 km
So, required speed = 126 ÷ 6 = 21 km/h
A person invests ₹25,000 in a scheme offering 12% annual simple interest. After 3 years, the amount is withdrawn and some amount invested in another s...
What will be the compound interest earned on an investment of Rs. 20,000 over a period of 3 years at an annual interest rate of 12%, compounded yearly?
Rs. 8800 is invested in scheme ‘A’ for a year at simple interest of 20% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
The simple interest earned on 2,400 at a rate of 5% per annum for 3 years is RS x and RS 1,736 is the simple interest earned on RS 6,200 at a rate of 14...
The interest earned when a sum is invested at simple interest of 16% p.a., for 3 years, is Rs. 2400. What will be the total amount received after 2 year...
A person 'P' invests ₹24,000 at a simple interest rate of 15% per annum for 2 years, while Jay invests the same amount, ₹24,0...
A sum was put at simple interest at a certain rate for 7 years. Had it been put at 6 % higher rate, it would have fetched Rs. 1260 more. Find the sum?
- A sum is invested at a certain rate (p.a.) of compound interest (compounded annually). The interest earned after 1st year and after 2 years of investment i...
Rs. 2000 invested for 2 years in a scheme offering compound interest (compounded annually) of 15% p.a. gives an interest that is Rs. 20 less than the in...
What sum of money must be given at simple interest for 8 months at 4% per annum in order to earn Rs. 320 interest?
