Let the speed of stream = x km/hr The speed of the motorboat in upstream = (45 – x) km/hr Distance = speed × time => 200 = (45 – x) × 5 => x = 5 km/hr While returning the motorboat will go in downstream, The speed of the motorboat in downstream = (45 + 5) = 50 km/hr The required time taken = 200/50 = 4 hours
Suresh earned an interest of Rs. 1548 on principal amount of Rs. 4800 at some rate of compound interest in 2 years. How much more/less interest would he...
A man invested $4,800 in a scheme offering compound interest compounded annually. If the difference between the interest earned in the 2nd year and the ...
Difference between CI and SI on a sum for 3 year at 20% p.a. is 176. Find the simple interest on the sum after 2 years at 10% p.a.
A man deposited 25% of his salary to a bank which offers compound interest at the rate of 10% p.a. If the interest earned by him from the bank after 2 y...
If a sum when placed at compound interest grows to Rs.6,400 in 2 yrs and to Rs. 8,000 in 3 yrs, find the rate percent p.a.
Suppose a specific amount is invested in a Life insurance policy at a simple interest rate of 15% per annum for 2 years, the interest earned amounts to ...
A sum is lent on compound interest for 2 years at 9% p.a. If the compound interest on the sum is Rs.2445.3, find the sum.
A person invested a total of Rs. 50,000 in two different schemes. One scheme offers simple interest of 8% p.a., and the other sch...
The difference between the simple and compound interest compounded annually of a sum at 12% p.a. for 2 years is Rs. 180. Find the sum.
What sum of money will become Rs.1352 in 2 years at 4 percent per annum compound interest?
