9th Standard Maths English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 6

9th Standard

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Maths

Time : 00:15:00 Hrs
Total Marks : 15

    Part A

    15 x 1 = 15
  1. The set (A - B) U(B - A) is ___________

    (a)

    AΔB

    (b)

    AUB

    (c)

    A∩B

    (d)

    A'UB'

  2. For any three sets P, Q and R, P-(Q\(\\ \cap \)R) is

    (a)

    P-(Q\(\cup \)R)

    (b)

    (P\(\\ \cap \)Q)-R

    (c)

    (P-Q)\(\cup \)(P-R)

    (d)

    (P-Q)\(\\ \cap \)(P-R)

  3. Find the odd one out of the following

    (a)

    \(\sqrt { 32 } \times \sqrt { 2 } \)

    (b)

    \(\frac { \sqrt { 27 } }{ \sqrt { 3 } } \)

    (c)

    \(\sqrt { 72 } \times \sqrt { 8 } \)

    (d)

    \(\frac { \sqrt { 54 } }{ \sqrt { 18 } } \)

  4. If a number has a non-terminating and non-recurring decimal expansion, then it is______________ .

    (a)

    a rational number

    (b)

    a natural number

    (c)

    an irrational number

    (d)

    an integer

  5. The type of the polynomial 4–3x3 is

    (a)

    constant polynomial

    (b)

    linear polynomial

    (c)

    quadratic polynomial

    (d)

    cubic polynomial.

  6. Which of the following is trinomial?

    (a)

    -7z

    (b)

    \({ z }^{ 2 }-{ 4y }^{ 2 }\)

    (c)

    \({ x }^{ 2 }y-{ xy }^{ 2 }+y\)

    (d)

    \(12a=9ab+5b-3\)

  7. If one of the factors of x2-6x-16 is x - 8 then the other factor is

    (a)

    (x + 6)

    (b)

    (x - 2)

    (c)

    (x + 2)

    (d)

    (x -16)

  8. Which of the following is a solution of the equation 2x − y = 6

    (a)

    (2,4)

    (b)

    (4,2)

    (c)

    (3, −1)

    (d)

    (0,6)

  9. One angle of a parallelogram is a right angle. The name of the quadrilateral is ______

    (a)

    square

    (b)

    rectangle

    (c)

    rhombus

    (d)

    kite

  10. A chord is at a distance of 15cm from the centre of the circle of radius 25cm. The length of the chord is

    (a)

    25cm

    (b)

    20cm

    (c)

    40cm

    (d)

    18cm

  11. If the points A (2,0), B (-6,0), C (3, a–3) lie on the x-axis then the value of a is _____

    (a)

    0

    (b)

    2

    (c)

    3

    (d)

    -6

  12. Data available in an unorganized form is called ------------- data

    (a)

    Grouped data

    (b)

    class interval

    (c)

    mode

    (d)

    raw data

  13. If 2sin 2\(\theta\) = \(\sqrt { 3 } \) , them the value of \(\theta\) is

    (a)

    900

    (b)

    300

    (c)

    450

    (d)

    600

  14. If the lateral surface area of a cube is 600 cm2, then the total surface area is

    (a)

    150 cm2

    (b)

    400 cm2

    (c)

    900 cm2

    (d)

    1350 cm2

  15. The probability based on the concept of relative frequency theory is called

    (a)

    Empirical probability

    (b)

    Classical probability

    (c)

    Both (1) and (2)

    (d)

    Neither (1) nor (2)

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