9th Standard Maths English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - One

9th Standard

    Reg.No. :
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Maths

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

    Part A

    15 x 1 = 15
  1. If U ={x | x ∈ N, x < 10} and A = {x | x ∈ N, 2 ≤ x < 6} then (A′)′ is

    (a)

    {1, 6, 7, 8, 9}

    (b)

    {1, 2, 3, 4}

    (c)

    {2, 3, 4, 5}

    (d)

    { }

  2. The set does not have a proper subset is __________

    (a)

    Finite set

    (b)

    Infinite set

    (c)

    Null set

    (d)

    Singleton set

  3. An irrational number between 2 and 2.5 is

    (a)

    \(\sqrt { 11 } \)

    (b)

    \(\sqrt { 5 } \)

    (c)

    \(\sqrt { 2.5 } \)

    (d)

    \(\sqrt { 8 } \)

  4. The sum of the polynomials p(x) = x3 – x2 – 2, q(x) = x2–3x+ 1

    (a)

    x3 – 3x – 1

    (b)

    x3 + 2x2 – 1

    (c)

    x3 – 2x2 – 3x

    (d)

    x3 – 2x2 + 3x –1

  5. The area of a rectangle with length \(2l^{ 2 }m\) and breadth \(3l^{ 2 }m\) is_______________________

    (a)

    \(6l^{ 3 }m^{ 3 }\)

    (b)

    \(l^{ 3 }m^{ 3 }\)

    (c)

    \(2l^{ 3 }m\)

    (d)

    \(4l^{ 3 }m^{ 3 }\)

  6. The exterior angle of a triangle is equal to the sum of two

    (a)

    Exterior angles

    (b)

    Interior opposite angles

    (c)

    Alternate angles

    (d)

    Interior angles

  7. Diagonal of which of the following quadrilaterals do not bisect it into two congruent triangles?

    (a)

    rhombus

    (b)

    trapezium

    (c)

    square

    (d)

    rectangle

  8. The distance between the longest chord of a circle and the centre is________

    (a)

    1

    (b)

    0

    (c)

    2

    (d)

    5

  9. The point M lies in the IV quadrant. The coordinates of M is _______

    (a)

    (a,b)

    (b)

    (–a, b)

    (c)

    (a, –b)

    (d)

    (–a, –b)

  10. The point (0, -3) lies on _______________

    (a)

    + ve x-axis

    (b)

    + ve y-axis

    (c)

    - ve x-axis

    (d)

    - ve y-axis

  11. A particular observation which occurs maximum number of times in a given data is called its

    (a)

    Frequency

    (b)

    range

    (c)

    mode

    (d)

    Median.

  12. The mean of 5,9,x,17,and 21 is 13,then find the value of x

    (a)

    9

    (b)

    13

    (c)

    17

    (d)

    21

  13. The mean of the first 10 whole number is

    (a)

    4

    (b)

    4.5

    (c)

    5

    (d)

    5.5

  14. The value of \(\frac { 1-{ tan }^{ 2 }{ 45 }^{ 0 } }{ 1+{ tan }^{ 2 }{ 45 }^{ 0 } } \)

    (a)

    2

    (b)

    1

    (c)

    0

    (d)

    \(\frac { 1 }{ 2 } \)

  15. The total surface area of a cuboid with dimension 10 cm × 6 cm × 5 cm is

    (a)

    280 cm2

    (b)

    300 cm2

    (c)

    360 cm2

    (d)

    600 cm2

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