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

9th Standard

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Maths

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

    Part A

    15 x 1 = 15
  1. If A∪B = A∩B, then

    (a)

    A ≠ B

    (b)

    A = B

    (c)

    A ⊂ B

    (d)

    B ⊂ A

  2. In a town 30% like only coffee,20% like only tea,10% like only like,15% like only any two of them,5% only like all the three. What is the percentage of people who like none them.

    (a)

    15%

    (b)

    20%

    (c)

    10%

    (d)

    5%

  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 rational number lying between \(\frac { 1 }{ 5 } \) and \(\frac { 1 }{ 2 } \) is___________.

    (a)

    \(\frac { 7 }{ 20 } \)

    (b)

    \(\frac { 2 }{ 10 } \)

    (c)

    \(\frac { 2 }{ 7 } \)

    (d)

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

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

    (a)

    9

    (b)

    2

    (c)

    3

    (d)

    6

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

    (a)

    0

    (b)

    1

    (c)

    2

    (d)

    3

  7. Orthocentre of a triangle is the point of concurrency of _______

    (a)

    medians

    (b)

    altitudes

    (c)

    angle bisectors

    (d)

    perpendicular bisectors of side

  8. 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

  9. If ( x+2, 4) = (5, y–2), then the coordinates (x,y) are _____

    (a)

    (7, 12)

    (b)

    (6, 3)

    (c)

    (3, 6)

    (d)

    (2, 1)

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

    (a)

    + ve x-axis

    (b)

    + ve y-axis

    (c)

    - ve x-axis

    (d)

    - ve y-axis

  11. The algebraic sum of the deviations of a set of n values from their mean is

    (a)

    0

    (b)

    n-1

    (c)

    n

    (d)

    n+1

  12. Find the mean of the prime factors of 165

    (a)

    5

    (b)

    11

    (c)

    13

    (d)

    55

  13. Given that sin \(\alpha\) = \(\frac { 1 }{ 2 } \) and cos \(\beta\) = \(\frac { 1 }{ 2 } \), then the value of \(\alpha\) + \(\beta\) is

    (a)

    00

    (b)

    900

    (c)

    300

    (d)

    600

  14. If the ratio of the sides of two cubes are 2:3, then ratio of their surface areas will be

    (a)

    4 : 6

    (b)

    4 : 9

    (c)

    6 : 9

    (d)

    16 : 36

  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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