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Quiz Discussion

A fair coin is tossed 5 times. What is the probability of getting at least three heads on consecutive tosses?

Course Name: Quantitative Aptitude

  • 1]

    3/16

  • 2]

    1/4

  • 3]

    7/24

  • 4]

    5/16

Solution
No Solution Present Yet

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1
Discuss

A polygon has 44 diagonals. What is the number of its sides?

  • 1]

    7

  • 2]

    8

  • 3]

    9

  • 4]

    11

Solution
10
Discuss

There are 6 letters for 3 envelopes. In how many different ways can the envelopes be filled?

  • 1]

    120

  • 2]

    130

  • 3]

    100

  • 4]

    110

Solution
2
Discuss

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

  • 1]

    1/2

  • 2]

    3/4

  • 3]

    3/8

  • 4]

    5/16

Solution
3
Discuss

A, B, C, and D are four points, any three of which are non-collinear. Then, the number of ways to construct three lines each joining a pair of points so that the lines do not form a triangle is

  • 1]

    7

  • 2]

    8

  • 3]

    9

  • 4]

    24

Solution
4
Discuss

If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?

  • 1]

    0

  • 2]

    1/2

  • 3]

    1

  • 4]

    1/1296

Solution
5
Discuss

There are seven pairs of black shoes and five pairs of white shoes. They are all put into a box and shoes are drawn one at a time. To ensure that at least one pair of black shoes are taken out, what is the number of shoes required to be drawn out?

  • 1]

    12

  • 2]

    13

  • 3]

    17

  • 4]

    18

Solution
6
Discuss

How many words, with or without meaning, can be formed using all letters of the word EQUATION using each letter exactly once?

  • 1]

    38,320

  • 2]

    39,320

  • 3]

    38,400

  • 4]

    40,320

Solution
7
Discuss

A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?

  • 1]

    32

  • 2]

    48

  • 3]

    64

  • 4]

    96

Solution
8
Discuss

If ,​, are probabilities of three mutually exclusive events, then

  • 1]

  • 2]

  • 3]

  • 4]

    None Of These

Solution

Answer :1/2

9
Discuss

The number of triangles that can be formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line, is

  • 1]

    185

  • 2]

    175

  • 3]

    115

  • 4]

    105

Solution
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