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#### Term 1 Model One Marks Questions

8th Standard EM

Reg.No. :
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Maths

Time : 00:30:00 Hrs
Total Marks : 25
10 x 1 = 10
1. The number which is subtracted from $\frac { -6 }{ 11 }$ to get $\frac { 8 }{ 9 }$

(a)

$\frac { 34 }{ 99 }$

(b)

$\frac { -142 }{ 99 }$

(c)

$\frac { 142 }{ 99 }$

(d)

$\frac { -34 }{ 99 }$

2. $\frac { -5 }{ 4 }$ is a rational number which lies between

(a)

0 and $\frac { -5 }{ 4 }$

(b)

-1 and 0

(c)

–1 and –2

(d)

–4 and –5

3. Which of the following pairs is equivalent?

(a)

$\frac { -20 }{ 12 } ,\frac { 5 }{ 3 }$

(b)

$\frac { 16 }{ -30 } ,\frac { -8 }{ 15 }$

(c)

$\frac { -18 }{ 36 } ,\frac { -20 }{ 44 }$

(d)

$\frac { 7 }{ -5 } ,\frac { -5 }{ 7 }$

4. Which of the following illustrates the inverse property for addition?

(a)

$\frac { 1 }{ 8 } -\frac { 1 }{ 8 } =0$

(b)

$\frac { 1 }{ 8 } +\frac { 1 }{ 8 } =\frac { 1 }{ 4 }$

(c)

$\frac { 1 }{ 8 } +0=\frac { 1 }{ 8 }$

(d)

$\frac { 1 }{ 8 } -0=\frac { 1 }{ 8 }$

5. The product of 7p3 and (2p2)2 is

(a)

14p12

(b)

28B7

(c)

9p7

(d)

11p12

6. If the area of a square is 36x4y2then, its side is______

(a)

6x4y2

(b)

8x2y2

(c)

6x2y2

(d)

-6x2y

7. If the area of a rectangular land is(a2-b2)− sq.units whose breadth is()ab− then, its length is__________

(a)

a-b

(b)

a+b

(c)

a2-b

(d)

(a+b)2

8. Two similar triangles will always have ________angles

(a)

acute

(b)

obtuse

(c)

right

(d)

matching

9. If ΔABC～ΔPQR in which ∠A = 53o and ∠Q = 77o, then R is

(a)

50°

(b)

50°

(c)

70°

(d)

80°

10. In how many ways can you answer 3 multiple choice questions, with the choices A, B, C and D?

(a)

4

(b)

3

(c)

12

(d)

64

11. 5 x 1 = 5
12. The standard form of $\frac { +58 }{ -78 }$ is ______________

()

$\frac { -29 }{ 39 }$

13. The multiplicative inverse of $2\frac { 3 }{ 5 }$ is _____________

()

$\frac { 5 }{ 13 }$

14. A part of circumference of a circle is called as ________.

()

an arc

15. A cube has _________ faces.

()

Six

16. $\cfrac { { 42a }^{ 4 }{ b }^{ 5 }\left( \_ \right) }{ { 6a }^{ 4 }{ b }^{ 2 } } =\left( \_ \right) { b }^{ 3 }{ c }^{ 2 }$

()

$\cfrac { { 42a }^{ 4 }{ b }^{ 5 }\left( c^2 \right) }{ { 6a }^{ 4 }{ b }^{ 2 } } =\left( 7 \right) { b }^{ 3 }{ c }^{ 2 }$

17. 5 x 1 = 5
18. 0 is the smallest rational number

(a) True
(b) False
19. The only rational number which is its own reciprocal is –1.

(a) True
(b) False
20. Associative property is not true for subtraction of rational numbers.

(a) True
(b) False
21. The multiplicative inverse exists for all rational numbers

(a) True
(b) False
22. 7ab3÷14ab=2b2

(a) True
(b) False
23. 5 x 1 = 5
24. $\left( \frac { 5 }{ 6 } +-1 \right) +\frac { -3 }{ 4 } =\frac { 5 }{ 6 } +\left( -1+\frac { -3 }{ 4 } \right)$

25. (1)

does not exist

26. $\frac { 1 }{ 0 }$

27. (2)

associative property of addition

28. Area of a circle

29. (3)

πr2

30. Area of a quadrant of a circle

31. (4)

Square Pyramid

32. (5)

$\frac { 1 }{ 4 } { \pi r }^{ 2 }$