#### Term 2 Life Mathematics One Mark Questions with Answer

8th Standard EM

Reg.No. :
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Maths

Time : 00:45:00 Hrs
Total Marks : 35
15 x 1 = 15
1. 12% of 250 litres is the same as ________of 150 litres.

(a)

10%

(b)

15%

(c)

20%

(d)

30%

2. If three candidates A, B and C is a 3 school election got 153, 245 and 102 votes respectively, the percentage of votes for the winner is___________.

(a)

48%

(b)

49%

(c)

50%

(d)

45%

3. 15% of 25% of 10000 =___________.

(a)

375

(b)

400

(c)

425

(d)

475

4. When 60 is subtracted from 60% of a number to give 60, the number is

(a)

60

(b)

100

(c)

150

(d)

200

5. If 48%of 48 = 64% of x , then x =
(a) (b) (c) (d)

(a)

64

(b)

56

(c)

42

(d)

36

6. A fruit vendor sells fruits for Rs200 gaining Rs40. His gain percentage is

(a)

20%

(b)

22%

(c)

25%

(d)

16$\frac { 2 }{ 3 }$%

7. By selling a flower pot for Rs528, a woman gains 20%. At what price should she sell it to gain 25%?

(a)

Rs500

(b)

Rs.550

(c)

Rs.553

(d)

Rs.573

8. A man buys an article for Rs150 and makes overhead expenses which are 12% of the cost price. At what price must he sell it to gain 5%?

(a)

Rs.180

(b)

Rs.168

(c)

Rs.176.40

(d)

Rs.85

9. The price of a hat is Rs210. What is the marked price of the hat if it is bought at 16% discount?

(a)

Rs.243

(b)

Rs.176

(c)

Rs.230

(d)

Rs.250

10. The single discount which is equivalent to two successive discount of 20%and 25% is

(a)

40%

(b)

45%

(c)

5%

(d)

22.5%

11. Th e number of conversion periods, if the interest on a principal is compounded every two months is___________.

(a)

2

(b)

4

(c)

6

(d)

12

12. The time taken for Rs.4400 to become Rs.4851 at 10%, compounded half yearly is _______.

(a)

6 months

(b)

1 year

(c)

1$\frac { 1 }{ 2 }$years

(d)

2 years

13. The cost of a machine is Rs.18000 and it depreciates at 16  % annually. Its value after 2 years will be___________.

(a)

Rs.12000

(b)

Rs.12500

(c)

Rs.15000

(d)

Rs.16500

14. The sum which amounts to Rs.2662 at 10% p.a in 3 years compounded yearly is_______.

(a)

Rs.2000

(b)

Rs.1800

(c)

Rs.1500

(d)

Rs.2500

15. The cost of a machine is Rs.18000 and it depreciates at 16 % annually. Its value after 2 years will be___________.

(a)

Rs.2000

(b)

Rs.1500

(c)

Rs.3000

(d)

Rs.2500

16. 15 x 1 = 15
17. If 30%of x is 150, then x is _________.

()

x = 500

18. 2 minutes is _________% to an hour.

()

$3\frac { 1 }{ 3 } %$%

19. If x % of x = 25, then x = ________.

()

x = 50

20. In a school of 1400 students, there are 420 girls. The percentage of boys in the school is ________.

()

70 %

21. 0.5252 is ________%.

()

52.52%

22. Loss or gain percentage is always calculated on the__________.

()

Cost price

23. A mobile phone is sold for Rs8400 at a gain of 20%. The cost price of the mobile phone is________.

()

Rs.7000

24. An article is sold for Rs 555 at a loss of 7 $\frac { 1 }{ 2 }$ %. The cost price of the article is ________.

()

Rs.600

25. The total bill amount of a shirt costing Rs575 and a T-shirt costing Rs325 with GST of 5 %is_______.

()

Rs.945

26. The compound interest on Rs.5000 at 12% p.a for 2 years compounded annually is ____________.

()

1272

27. The compound interest on Rs.8000 at 10%p.a for 1 year, compounded half yearly is
____________.

()

Rs820

28. The annual rate of growth in population of a town is 10%. If its present population is 26620, the population 3 years ago was_________.

()

Rs.20,000

29. The amount if the compound interest is calculated quarterly, is found using the formula __________.

()

A= P${ \left( 1+\frac { r }{ 100 } \right) }^{ 4n }$

30. The difference between the S.I and C.I for 2 years for a principal of Rs.5000 at the rate of interest 8%p.a is ___________.

()

Rs.32

31. Th e marked price of a mixer grinder is Rs.4500 is sold for Rs.4140 aft er discount. Th e rate of discount is __________.

()

11$\frac { 1 }{ 9 }$%

32. 5 x 1 = 5
33. Depreciation value is calculated by the formula P${ \left( 1+\frac { r }{ 100 } \right) }^{ n }$

(a) True
(b) False
34. If the present population of a city is P and it increases at the rate of r% p.a, then the population n years ago would be P${ \left( 1+\frac { r }{ 100 } \right) }^{ n }$

(a) True
(b) False
35. The present value of a machine is Rs.16800. It depreciates at 25% p.a. It's worth after 2 years is Rs.9450.

(a) True
(b) False
36. The time taken for Rs.1000 to become Rs.1331 at 20%p.a compounded annually is 3 years.

(a) True
(b) False
37. The compound interest on Rs.16000 for 9 months at 20% p.a, compounded quarterly is Rs.2522.

(a) True
(b) False