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 rs12 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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