Friday, 8 November 2019

Assignment 2 on SI ,class 7

1.The interest on a certain amount,at the rate of 8% per annum, is 4/25 of the invested amount .Find the time.
2.Two equal sums were borrowed at rates of interest 7% & 5% p.a., respectively.The interests earned on the two sums add up to Rs 960 for 4 years.Find the total sum.
3.If Rs 450 amounts to Rs 540 in 4 years at simple interest, find the sum that will amount to be Rs 637.50, at the same rate of interest.
4.In how many years will money deposited in a bank double itself if the rate of interest is 32/5 % per annum?
5.Rajesh deposited Rs 14400 in his saving account.The rate of interest is 3.5% p.a.How much money will rajesh have at end of 2years and 5months?
6.Shyam borrowed Rs 425000, at the rate of 41/5 %per annum , from vicky for purchasing a tractor.After 5 years, he returned Rs 500000 along with a piece of land.what was the cost of the land?

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