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Since the train covers different distance with different speeds. So, Average speed = Total Distance/Total Time Total distance = 80 + 50 + 60 = 190 km Time1 = 80/55, Time2 = 50/40 & Time3 = 60/80 Total Time = 80/55 + 50/40 + 60/80 Therefore, Average Speed = 190/(80/55 + 50/40 + 60/80) = 55 km/hr
The difference between compound interest and simple interest at rate of 24% per annum for 2 years is Rs. 288. Find the simple interest obtained on same ...
A sum of money is invested at a rate of 5% per annum simple interest. If the interest earned in 3 years is ₹900, what is the sum of money invested?
The interest earned on investing Rs. 7000 for 2 years at the rate of 10% p.a., compounded annually, is used to purchase an article. If the article is la...
In how many years will a sum of ₹10,000 become ₹13,310 at 10% compound interest per annum, compounded annually?
A man loans out Rs. 22,100 at a simple interest rate of 20% per annum. After 2 years, he reinvests the total amount received at an annual compound inter...
A sum of money C is Rs. 8000 more than B, B and C are invested at 10% p.a and 12.5% p.a, S.I for two years and the difference between the interest obtai...
Simple interest on a sum of money for 2 years is 1/5th of the sum, then the interest received in 5 years on same principal will be what time of the prin...
A sum of ₹15,625 is invested for 2 years at an annual interest rate of 8%. For the first 1.5 years, the interest is compounded semi-annually, and for ...
If a sum of Rs. 6,500 is to be borrowed for 2 years at 10% per annum compounded half-yearly, find the compound amount (integer values only).
The simple interest received on a sum at the rate of 4 percent per annum is 3/5 of the sum. What is the time period?
