APTITUDE – Problems on Simple Interest

November 10th, 2010 by seenu Leave a reply »

APTITUDE Problems on Simple Interest

1.Find S.I on Rs.68000 at 16 2/3% per annum for 9months.





2.Rs 800 amounts to Rs 920 in 3yrs at S.I.If the interest rate is increased by 3%, it would amount to how much?





3.Prabhat took a certain amount as a loan from bank at the rate of 8% p.a S.I and gave the same amount to Ashish as a loan at the rate of 12% p.a . If at the end of 12 yrs, he made a profit of Rs. 320 in the deal,What was the original amount?





4. A Man borrowed Rs 24000 from two money lenders.For one loan, he paid 15% per annum and for other 18% per annum .At the end of one year,he paid Rs.4050.How much did he borrowed at each rate?





If x,y,z are three sums of money such that y is the simple interest on x,z is the simple interest on y for the same time and at the same rate of interest ,then we have:





Rs 2189 are divided into three parts such that their amounts after 1,2& 3 years respectively may be equal ,the rate of S.I being 4% p.a in all cases. The Smallest part is:





A Man invests a certain sum of money at 6% p.a Simple interest and another sum at 7% p.a Simple interest. His income from interest after 2 years was Rs 354 .one fourth of the first sum is equal to one fifth of the second sum.The total sum invested was:





A man invested 3/3 of his capital at 7% , 1/4 at 8% and the remainder at 10% If his annual income is Rs.561. The capital is:





A Sum of Rs.1550 was lent partly at 5% and partly at 5% and partly at 8% p.a Simple interest .The total interest received after 3 years was Rs.300.The ratio of the money lent at 5% to that lent at 8% is:





A some of money becomes double of itself in 4 years in 12 years it will become how many times at the same rate.







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