Page 100 - Maths Skills - 7

98 Maths

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6. Find the interest on ` 1820 from October 9, 2019 to December 21, 2019 at 7 % per annum.
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7. A sum of ` 600 is lent for 3 years at the rate of 6% per annum. Find the interest. Also find the amount
which is to be paid to the lender at the end of 3 years.

8. What principal will amount to ` 2600 in 3 years at 10% simple interest?
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9. Find the sum which will amount to ` 364.80 at 3 % per annum in 8 years at simple interest.
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10. What sum of money will amount to ` 1472 in 3 years at 5% per annum?
11. Snehasish opened a saving bank account on 23rd July, 2018 with a deposit of ` 2600. He closed his
account on 4th October of the same year. If the bank paid him 6% interest, what amount did he receive?
12. A sum amounts to ` 1326 in 6 years at 5% per annum. In what time will this sum double itself at the
same rate of interest?
13. Divide ` 2500 into two parts such that the simple interest on one at 4% for 5 years is double that on the
other at 5% for 3 years.
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14. If ` 450 amounts to ` 504 in 3 years, how much will ` 615 amount to in 2 years at the same rate
of interest? 2
15. Fill in the blanks in the given table:

Principal Period Rate per annum Interest Amount
(i) ` 810 3 years 5%

(ii)
1
` 500 2 years 5 %
2
(iii)
4 years 6% ` 90

(iv) 1
` 800 7 % ` 90
2
(v) ` 3000 6 years ` 4530

ASSESSMENT TIME

2. 0.75 is equivalent to:
COMPETENCY BASED QUESTIONS
3 4
A. Multiple-Choice Questions (i) 4 (ii) 3

1. 6% is equivalent to the fraction: 1 75
(iii) (iv)
1 1 75 1
(i) 6 (ii) 100 3. 20% of 155 is:

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(iii) (iv) none of these (i) 20 (ii) 31
50
(iii) 155 (iv) none of these