Question

EXERCISE 2.1
1
1
1. Calculate the SI on 18000 for 2 years at 4% p.a.
2.
1
2. Calculate the sum on which interest for 1
years at 3% p.a. is 3252.
2
2
3. How long will it take for 36000 invested at the rate of 5% p.a., simple interest amount to
1
076502
1
2
2
1
2
4. If the rate of interest is reduced from 4% to 3% per year, find the decrease in simple
interest on 8400 for 2
25 years.
5. Find the principal which after 8 months will amount to 78320 at 6% p.a. simple interest.
6. What sum will amount to 17,000 in 3 years at 12% p.a. simple interest?
7. What sum will amount to 31212 in 3 years 4 months at 6% p.a. simple interest?
8. What sum of money lent out at 6% p.a. for 2 years will produce the same interest as
1
12,000 lent out at 5% for 3 years?
2
9. Rohan took a loan of 1500 with simple interest for as many years as the rate of interest.
He paid 3 240 as interest at the end of loan period. Find the time period he has taken to
return the loan.
10. Find the simple interest and amount on 12500 at 7-% per annum for the period 23rd
2.
August, 2017 to 16th January, 2018.
11. Find the simple interest on 8500 at 6% per annum, for the period from 24th April, 2018 to
6 July, 2018
71 - 같
OMPOUND INTEREST
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