Quiz Discussion

If 18C18Cr+2 ; find rC5.

Course Name: Quantitative Aptitude

  • 1]

    56

  • 2]

    63

  • 3]

    49

  • 4]

    42

Solution
No Solution Present Yet

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# Quiz
1
Discuss

A box contains 5 green, 4 yellow and 3 white marbles. three marbles are drawn at random. What is the probability that all they are not of the same colour?

  • 1]

    3/44

  • 2]

    3/55

  • 3]

    52/55

  • 4]

    41/44

Solution
2
Discuss

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

  • 1]

  • 2]

  • 3]

  • 4]

    None Of These

Solution

Answer :1/2

3
Discuss

Find the probability that a leap year selected at random will contain 53 Sundays

  • 1]

    2/7

  • 2]

    3/7

  • 3]

    2/3

  • 4]

    5/6

Solution
4
Discuss

There are 20 people among whom two are sisters. Find the number of ways in which we can arrange them around a circle so that there is exactly one person between the two sisters.

  • 1]

    2! x 19!

  • 2]

    18!

  • 3]

    18! x 2!

  • 4]

    19!

Solution
5
Discuss

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

  • 1]

    1/10

  • 2]

    2/5

  • 3]

    2/7

  • 4]

    5/7

Solution
6
Discuss

If a team of 4 persons is to be selected from 8 males and 8 females, then in how many ways can the selections be made to include at least 1 female

  • 1]

    3500

  • 2]

    1875

  • 3]

    1750

  • 4]

    3000

Solution
7
Discuss

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is

  • 1]

    3/20

  • 2]

    29/34

  • 3]

    47/100

  • 4]

    13/102

Solution
8
Discuss

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

  • 1]

    130

  • 2]

    85

  • 3]

    45

  • 4]

    72

Solution
9
Discuss

Find the number of ways in which mixed double tennis game can be arranged amongst 9 married couples if no husband and wife play in the same game

  • 1]

    1515

  • 2]

    1500

  • 3]

    1512

  • 4]

    1550

Solution
10
Discuss

Four letters are selected from the word “CAPAME” and are rearranged to form four letter words. How many words can be formed?

  • 1]

    120

  • 2]

    90

  • 3]

    180

  • 4]

    192

Solution
# Quiz