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Mathematical Ab...

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  • Question 1
    1 / -0

    If sin4 x + 2cos4 ⁡x = 2/3, then what is the value of sec2⁡ x?

  • Question 2
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    A fair coin is tossed independently four times. The probability of the event "the number of times heads show up is more than the number of times tails show up" is:

  • Question 3
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    The longest chord of a circle is a ___________ of the circle.

  • Question 4
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    If P and Q be two sets such that P ∪ Q = P, then P ∩ Q will be:

  • Question 5
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    The median for the given frequency distribution is:

    x

    f

    1

    8

    2

    10

    3

    11

    4

    16

    5

    20

    6

    25

    7

    15

    8

    9

    9

    6

  • Question 6
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    Find the value of x.

  • Question 7
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    If 2n-1 + 2n+1 = 320, find the value of n.

  • Question 8
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    If the height of a cone is increased by 50% then what is the percentage increase in the volume of cone?

  • Question 9
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    If f : R → R and g : R → R are two mappings defined as f(x) = 2x and g(x) = x2 +2, then the value of (f + g)(2) is:

  • Question 10
    1 / -0

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