Term 1 Model One Marks Questions

8th Standard EM

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Maths

Time : 01:00:00 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. Which of the following rational numbers is the greatest?

    (a)

    \(\frac { -17 }{ 24 } \)

    (b)

    \(\frac { -13 }{ 16 } \)

    (c)

    \(\frac { 7 }{ -8 } \)

    (d)

    \(\frac { -31 }{ 32 } \)

  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. \(\frac { 1 }{ 2 } -\left( \frac { 3 }{ 4 } -\frac { 5 }{ 6 } \right) \neq \left( \frac { 1 }{ 2 } -\frac { 3 }{ 4 } \right) -\frac { 5 }{ 6 } \) illustrates that subtraction does not satisfy the ________ property for rational numbers.

    (a)

    commutative

    (b)

    closure

    (c)

    distributive

    (d)

    associative

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

    (a)

    14p12

    (b)

    28B7

    (c)

    9p7

    (d)

    11p12

  7. If the area of a rectangle is 48m2n3 and whose length is 82mn then, its breadth is______

    (a)

    6mm

    (b)

    8m2n

    (c)

    7m2n2

    (d)

    6m2n2

  8. If in triangles PQR and XYZ, \(\frac{PQ}{XY}=\frac{QR}{ZX}\) then they will be similar if

    (a)

    ∠Q=∠Y

    (b)

    ∠P=∠X

    (c)

    ∠Q=∠X

    (d)

    ∠P≡∠Z

  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. \(\frac { -19 }{ 5 } \) lies between the integers ______________ and ________________

    ()

    -4 and -3

  13. The value of \(\left( \frac { -15 }{ 23 } \right) \div \left( \frac { +30 }{ -46 } \right) \) is _____________

    ()

    1

  14. If \(x\times \frac { -55 }{ 63 } =\frac { -55 }{ 63 } \times x=1\) then x is called the _______________ of \(\frac { 55 }{ 63 } \)

    ()

    Multiplicative Inverse

  15. The three dimensions of a cuboid are _______.

    ()

    length, breadth and height

  16. The cross section of a solid cylinder is _______.

    ()

    Circle

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

    (a) True
    (b) False
  19. The rational number that does not have a reciprocal is 0.

    (a) True
    (b) False
  20. The rational numbers that are equal to their additive inverses are 0 and –1.

    (a) True
    (b) False
  21. The additive inverse of \(\frac { -11 }{ -17 } \) is \(\frac { 11 }{ 17 } \)

    (a) True
    (b) False
  22. 8x3y÷4x2=2xy

    (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)

    Cylinder

  26. \(\frac { 1 }{ 0 } \)

  27. (2)

    πr2

  28. Area of a circle

  29. (3)

    does not exist

  30. Area of the sector of a circle

  31. (4)

    associative property of addition

  32. (5)

    \(=\frac { { \theta }^{ 0 } }{ { 360 }^{ 0 } } \times { \pi r }^{ 2 }\)

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