Quiz Discussion

The number of circles that can be drawn out of 10 points of which 7 are collinear is

Course Name: Quantitative Aptitude

  • 1]

    130

  • 2]

    85

  • 3]

    45

  • 4]

    72

Solution
No Solution Present Yet

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# Quiz
1
Discuss

If P(A)=2/5​, P(B)=3/10​ and P(A ∩ B) =51​, then P(A' | B'). P(B' | A') is equal to

  • 1]

    5/6

  • 2]

    5/7

  • 3]

    25/42

  • 4]

    1

Solution
2
Discuss

If A and B are two independent events with P(A) = 3/5 and P(B) = 4/9 , then P(A' ∩ B' ) equals

  • 1]

    4/15

  • 2]

    8/45

  • 3]

    1/3

  • 4]

    2/9

Solution
3
Discuss

Ten participants are participating in a competition. In how many ways can the first three prizes be won?

  • 1]

    920

  • 2]

    680

  • 3]

    720

  • 4]

    820

Solution
4
Discuss

If (n + 2)! = 2550 (n!); find ’n’

  • 1]

    49

  • 2]

    35

  • 3]

    38

  • 4]

    43

Solution
5
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
6
Discuss

How many 5 digit even numbers with distinct digits can be formed using the digits 1, 2, 5, 5, 4?

  • 1]

    16

  • 2]

    24

  • 3]

    36

  • 4]

    48

Solution
7
Discuss

If A, B and C are mutually exclusive and exhaustive events of a random experiment such that P(B)=3/2​P(A) and P(C)=1/2​P(B), then P(A∪C)=

  • 1]

    3/13

  • 2]

    6/13

  • 3]

    7/13

  • 4]

    10/13

Solution
8
Discuss

Three chairs are arranged in a row facing three other chairs. 4 boys and 2 girls are to be seated on these chairs such that girls are always facing each other. In how many ways can they be seated?

  • 1]

    96

  • 2]

    72

  • 3]

    144

  • 4]

    120

Solution
9
Discuss

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

  • 1]

    63

  • 2]

    90

  • 3]

    126

  • 4]

    45

Solution
10
Discuss

In how many ways can 10 people line up at a ticket window of a railway station?

  • 1]

    36,28,800

  • 2]

    34,82,800

  • 3]

    33,44,800

  • 4]

    33,28,800

Solution
# Quiz