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CLASS-7

COMPARING QUANTITY

1. a) 45 % + ______% = 100% b) 82%=100% _____________

2. 12 is 25% of what number?

3. 75% of what number is 25?

4. Express as percents :

a)

b)

c)

d)

e)

f) 1:50

g) 30:25

h) 2.35

i)

5. Finda) 20% of 350m

b) 33 % of 180kg

c) 60 % of Rs 2000

d) 10% of Rs500. 50

Plot no.-97, T.P. Nagar, Korba (C.G.) 9827876543

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6. Find the whole quantity if

a) 3% of it is Rs. 9

b) % of it is Rs.50

c) 3.4% of it is Rs. 68

d) 20% of it is 40 liters

7. Convert given percents to decimal fractions and also to fractions in simplest

forms.

a) 82%

b) 3%

c) 120%

d) 50%

8. If 23% of a number is 46, find the number.

9. A person deposits Rs. 600 per month in his Savings Bank Accounts. If this is 15%

of his monthly income, find his monthly income.10. In a class of 50 children, 26 are boys and the rest are girls. Find their respective

percentages.

11. 26 of a number is 400. Find the number.

12. In an examination, Neeta secured 372 marks. If she secured 62% marks, find

the maximum marks.

13. A football team won 40% of the total number of matches it played during 7

years . If it lost 12 matches in all and no match was drawn, find the total number

of matches played by the team during the year?

14. Convert each part of the ratio into percentage

a) 4 :1 b)2:3:5 c) 1:9

15. If angles of a triangle are in the ratio 1:3:5 . Find the value of each angle.

16. Divide 25 pencils between Lily and Lata so that they get 20% and 80% of them

respectively.17. By selling a coat for Rs630, a shopkeeper gains 5%. Find the cost price of the

coat.

18. By selling a table for Rs 990, a trader gains 10%. Find the cost price of the table.

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Plot no.-97, T.P. Nagar, Korba (C.G.) 9827876543

19. A dealer buys a wrist watch for Rs. 225 and spends Rs.15 on its repairs. If he

sells the same for Rs. 300, find his profit percent.

20. Devi purchased a house for Rs 4, 80,000 and sold at a loss of 2 % . Find the

selling price of the house.

21. Find percentage of increase or decrease:

a) Price of an article decreased from Rs 180 to Rs 120

b) Population of a state increased from 5,50,000 to 6,05,000

22. Find S.I on Rs 5664 at 13 % per annum for 9 months.

23. In how many years will a sum of Rs. 400 yield an interest of Rs.112 at 14% perannum?

24. Find the amount to be paid at the end of 1 years if principal=Rs.180 and Rate

=3%p.a

25. Find the interest to be paid at the end of 3 years if principal = RS 600 and Rate

=10% p.a

26. Kishan Lal burrowed a sum of money at 9% per annum. If he paid Rs. 594 as

interest after three years, find the sum burrowed by him.

27. A radio set costing Rs. 750 is sold at a loss of 14%. What is the selling price?

28. What rate gives Rs 168 as interest on a sum of Rs. 700 in 16 months?

29. Find at what rate of interest per annum will be Rs. 500 amount to Rs. 605 in 3

years?

30. On a certain sum the interest paid after 2 years is Rs.140 at 16%rate of interest

per annum. Find the sum.

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Plot no.-97, T.P. Nagar, Korba (C.G.) 9827876543

Answers:

1. (a) 55% (b)18%

2. 48

3. (a)33

4. a) 52% b)25% c) 17 % d) % e)2% f)2%

g) 120% h)235% i)62 %

5. a) 70m b)60kg c)Rs.1205 d)Rs 50.05

6. a)Rs. 300 b)Rs 10,000 c)Rs 2000 d)200 lit.

7. a) 0.82, b) 0.03, c) 1.20, d) 0.5,

8. 200

9. Rs. 4000

10. Boys = 52% Girls = 48%

11. 1500

12. 60013. 20

14. a) 80%, 20% b) 20%, 30%, 50% c) 10%, 90%

15.200, 600, 1000

16. 5, 20

17. C.P = Rs 600

18. C.P = Rs. 900

19. Profit % = 25

20. S.P = Rs 4,68,000

21.a)33 % b)10%22. S.I = Rs 584.1023. T = 2 yrs

24. I=Rs. 6.75, A= 186.75

25. I = Rs. 210

26. P= Rs 2200

27. S.P = RS. 645

28. R = 18%p.a

29. R=7%p.a

30. P=Rs. 350