Speed of the train = 72 km/h = 72 × (1000/3600) = 20 m/s. Distance covered = speed × time = 20 × 30 = 600 meters. Length of the train = 600 - 150 = 450 meters.
A sofa of MRP 2500 is available in Rs.500 cash down payment and 9 monthly equal installment of Rs.250 each. Find the rate of interest per annum.
What sum of money must be given at simple interest for 9 months at 5% per annum in order to earn Rs. 360 interest?
If Simple Interest is 12.5% more than the principal and number of years(n), rate(r) are numerically in the ratio 2 : 1, then find the values of n, r.
A sum of money grows to Rs 9,600 in 2 years when invested at a simple interest rate of 10% per annum. If the same sum of money is invested at the same i...
A certain amount of money, when invested at a simple interest rate of 'r%' per annum, grows to 6 times its original value in 24 y...
A certain sum at certain rate % per annum simple interest becomes Rs 6300 in 2 years and Rs 6750 in 5 years. The principal and rate of interest are - ...
Aman spends 30% of his income, monthly income, on fuel. 40% in basic needs and 20% of the remaining in education. He saves the rest of them all in a rec...
A woman lent Rs. 29500 at 13% p.a. compound interest, compounded annually for two years. After two years, the total amount earned by the woman is again ...
A man invested Rs. 's' in scheme 'G' offering simple interest at 8% for 5 years and Rs. 2,200 in scheme 'H' offering simple interest at 9% for 4 years. ...
The simple interest on a certain sum of money for 4 years at 16% per annum is 2/5th of the compound interest on Rs. 6000 for 2 years at 20% p...