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

9th Standard

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Maths

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

    Part A

    15 x 1 = 15
  1. Let A = {∅} and B = P(A), then A∩B is ________.

    (a)

    { ∅, {∅} }

    (b)

    {∅}

    (c)

    (d)

    {0}

  2. The set {x: x ∈ A, x ∈ B, x ∉ A ∩ B} is___________.

    (a)

    A ∩ B

    (b)

    A U B

    (c)

    A - B

    (d)

    A Δ B

  3. The number \(0.\bar { 3 } \) in the form \(\frac { p }{ q } \) where p and q are integers and \(q\neq 0\)

    (a)

    \(\frac { 33 }{ 100 } \)

    (b)

    \(\frac { 3 }{ 10 } \)

    (c)

    \(\frac { 1 }{ 3 } \)

    (d)

    \(\frac { 3 }{ 100 } \)

  4. The product of \(2\sqrt { 5 } \) and \(6\sqrt { 5 } \) is_______________.

    (a)

    \(12\sqrt { 5 } \)

    (b)

    60

    (c)

    40

    (d)

    \(8\sqrt { 5 } \)

  5. The Auto fare is found as minimum Rs. 25 for 3 kilometer and thereafter Rs. 12 for per kilometer. Which of the following equations represents the relationship between the total cost ‘c’ in rupees and the number of kilometers n?

    (a)

    c = 25 + n

    (b)

    c = 25 + 12n

    (c)

    c = 25 + (n–3)12

    (d)

    c = (n–3)12

  6. The value of the polynomial f(x) = 6x - 3x2+9 when x = -1 is _____________________

    (a)

    0

    (b)

    1

    (c)

    2

    (d)

    3

  7. Which of the following statement is correct?

    (a)

    Opposite angles of a parallelogram are not equal.

    (b)

    Adjacent angles of a parallelogram are complementary.

    (c)

    Diagonals of a parallelogram are always equal.

    (d)

    Both pairs of opposite sides of a parallelogram are always equal.

  8. ABCD is a parallelogram as shown. Find x and y.

    (a)

    1, 7

    (b)

    2, 6

    (c)

    3, 5

    (d)

    4, 4

  9. 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

  10. The centre of a circle is (0, 0). One end point of a diameter is (5, -1), then ______________

    (a)

    \(\sqrt{24}\)

    (b)

    \(\sqrt{37}\)

    (c)

    \(\sqrt{26}\)

    (d)

    \(\sqrt{17}\)

  11. The median of the first 10 whole numbers is ______________

    (a)

    4

    (b)

    4.5

    (c)

    5

    (d)

    5.5

  12. The mean of the first 10 whole number is

    (a)

    4

    (b)

    4.5

    (c)

    5

    (d)

    5.5

  13. The value of cosec(700 + \(\theta\)) - sec(200 - \(\theta\)) + tan(650 + \(\theta\)) - cot(250 - \(\theta\)) is ________.

    (a)

    0

    (b)

    1

    (c)

    2

    (d)

    3

  14. The volume of a cuboid is 660 cm3 and the area of the base is 33 cm2. Its height is _______.

    (a)

    10 cm

    (b)

    12 cm

    (c)

    20 cm

    (d)

    22 cm

  15. Which of the following cannot be taken as probability of an event?

    (a)

    0

    (b)

    0.5

    (c)

    1

    (d)

    -1

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