Term 1 Model Questions

9th Standard

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Maths

Time : 02:00:00 Hrs
Total Marks : 60
    6 x 1 = 6
  1. The set P = {x | x ∈ Z , –1 < x < 1} is a

    (a)

    Singleton set

    (b)

    Power set

    (c)

    Null set

    (d)

    Subset

  2. If B – A is B, then A∩B is

    (a)

    A

    (b)

    B

    (c)

    U

    (d)

  3. Which one of the following is an irrational number

    (a)

    \(\sqrt { 25 } \)

    (b)

    \(\sqrt { \frac { 9 }{ 4 } } \)

    (c)

    \(\frac { 7 }{ 11 } \)

    (d)

    \(\pi\)

  4. x3 – x2 is a …………..

    (a)

    monomial

    (b)

    binomial

    (c)

    trinomial

    (d)

    constant polynomial

  5. Degree of the polynomial (y3–2)(y3 + 1) is

    (a)

    9

    (b)

    2

    (c)

    3

    (d)

    6

  6. The interior angle made by the side in a parallelogram is 90° then the parallelogram is a

    (a)

    rhombus

    (b)

    rectangle

    (c)

    trapezium

    (d)

    kite

  7. 4 x 1 = 4
  8. Consider the following sets A = {0, 3, 5, 8}, B = {2, 4, 6, 10} and C = {12, 14,18, 20}.
    3\(\in \) ______ 

    ()

    A

  9. Consider the following sets A = {0, 3, 5, 8}, B = {2, 4, 6, 10} and C = {12, 14,18, 20}.
    4 _____ B.

    ()

    \(\in \)

  10. An expression having only two terms is called a __________

    ()

    binomial

  11. The axis intersect at a point called _____________

    ()

    Origin

  12. 5 x 1 = 5
  13. Consider the following sets A = {0, 3, 5, 8}, B = {2, 4, 6, 10} and C = {12, 14,18, 20}.
    18 \(\in \)C

    (a) True
    (b) False
  14. Consider the following sets A = {0, 3, 5, 8}, B = {2, 4, 6, 10} and C = {12, 14,18, 20}.
    10\(\in \)B

    (a) True
    (b) False
  15. Point of concurrency of the diameter is the centre of the circle

    (a) True
    (b) False
  16. A circle has infinite number of equal chords

    (a) True
    (b) False
  17. Diameter is a chord

    (a) True
    (b) False
  18. 10 x 2 = 20
  19. If A = {1,2,3,4,5,7,9,11}, find n(A).

  20. If A={1, 2, 6} and B={2, 3, 4} , find A∪B.

  21. From the Venn diagram, verify that
    n(A∪B) = n(A)+n(B) – n(A∩B)

  22. Let U={0, 1, 2, 3, 4, 5, 6, 7}, A={1, 3, 5, 7} and B={0, 2, 3, 5, 7}, find the following sets. (A\(\cup \)B)′

  23. Convert the following rational numbers into decimal
    (i) \(2\over 3\)
    (ii) \(47\over 99\)
    (iii) \(-{16\over 45}\)

  24. Find the value of the polynomial f (y) =  6y - 3y2 + 3 at y = -1

  25. Find the number of zeros of the following polynomials represented by their graphs.

  26. Find the supplement of the following angles.
    140°

  27. Find the value of x

  28. In which quadrant does the following points lie?(2, 5)

  29. 5 x 3 = 15
  30. In a mathematics class,20 children forgot to bring their rulers,17 children forgot to bring their pencil and 5 children forgot to bring both ruler and pencil. Then find the number of children
    (i) who forgot to bring only pencil .
    (ii) who forgot to bring only ruler .
    (iii) in the class

  31. Find the decimal expansion of \(\sqrt { 3 } \)

  32. Find the degree of the following polynomials. x3(x2+x)

  33. In the figure, AB is parallel to CD, find x

  34. Find the distance between the points (–4, 3), (2,–3).

  35. 2 x 5 = 10
  36. In a village of 100 families, 65 families buy Tamil newspapers and 55 families buy English newspapers. Find the number of families who buy
    (i) Both Tamil and English newspapers.
    (ii) Tamil newspapers only
    (iii) English newspapers only.

  37. Construct the right triangle PQR whose perpendicular sides are 4.5 cm and 6 cm. Also locate its circumcentre and draw the circumcircle.

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