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Speed of train ‘A’ = {(150 + 250)/20} = 400/20 = 20 m/s Speed of train ‘B’ = (7/5) × 20 = 28 m/s Length of train ‘B’ = 28 × 10 = 280 metres (1/5)th of length of train ‘B’ = (1/5) × 280 = 56 metres
Kamal invested Rs. 6,250 in scheme 'A', which provided a simple interest rate of 13% per annum. After 4 years, he reinvested the entire interest earned ...
On Rs. 6000 invested at a simple interest at the rate of 4% p.a., Rs. 2400 is obtained as interest in certain years. In order to earn Rs. 4800 as intere...
Rs. P invested at R% p.a. gives simple interest and compound interest (compounded annually) of Rs. 750 and Rs. 900 respectively at the end of 2 years. F...
Piyush initially took a loan from Vivek at a simple interest rate of 8% per annum, and after a duration of two years, he repaid the borrowed amount. Sub...
When the interest accrued on a certain principal amount over four years is 4/9 times the interest earned on the same principal amount after another four...
'The sums of money owned by 'Ajay' and 'Vijay' are in the ratio of 7:5, respectively. 'Ajay' invested his amount for 5 years at a simple interest rate o...
A sum is lent on compound interest for 2 years at 15% p.a. If the compound interest on the sum is Rs.5482.5, find the sum.
If the ratio of the sum invested and simple interest received after 1 year is 25:6 respectively, then find the rate of interest.
The difference between compound interest and simple interest at rate of 20% per annum for 2 years is Rs. 240. Find the simple interest obtained on same ...
On what sum will the difference between the simple and compound interest for 3 years at 20% percent per annum amounts to Rs 66.56?
