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Simple Interest-1

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Question 1

Two equal sums were lent at 7% and 5% simple interest per annum respectively. The interest earned on the two loans add up to ₹ 960 in 4 years. The sum lent was:

Question 2

If the simple interest on a certain sum for 15 months at % per annum exceeds the simple interest on the same sum for 8 months at % per annum by Rs.32.50, then the sum (in Rs.) is :

Question 3

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:

Question 4

How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?

Question 5

A borrowed 830 from B at 12% p.a. S.I. for 3 years. He then added some more money to the borrowed sum and lent it to C for the same period at 14% p.a. rate of interest. If A gains Rs.93.90 in the whole transaction, how much money did he add from his side?

Question 6

The difference between the interest received from two different banks on ₹ 500 for 2 years is ₹ 2.50. Find the difference between their rates?

Question 7

The sum lent at 5% per an ­num (i.e. 365 days) simple interest for a year, that produces interest, of Rs. 2.00 a day, is

Question 8

A sum of money amounts to ₹ 850 in 3years and to ₹ 925 in 4 years at some rate of simple interest. The sum is:

Question 9

The difference between the simple interests received from two different banks on ₹ 500 for 2 years is ₹ 2.50. The difference between their per annum rates of interest is:

Question 10

A sum of money was lent at simple interest at a certain rate for 3 years. Had it been lent at 2.5% per annum higher rate, it would have fetched ₹540 more. The money lent was:
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