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

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

How many four-digit numbers, each divisible by 4 can be formed using the digits 5, 6, 7, 8, 9, repetition of digits being allowed in any number?

  • 1]

    75

  • 2]

    100

  • 3]

    125

  • 4]

    150

Solution
3
Discuss

A biased coin in tossed thrice. What is the probability that heads turns out at least twice considering that the probability of a head is 60%?

  • 1]

    0.648

  • 2]

    0.234

  • 3]

    0.348

  • 4]

    .839

Solution
4
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
5
Discuss

In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?

  • 1]

    50400

  • 2]

    2430

  • 3]

    6540

  • 4]

    12800

Solution
6
Discuss

 

In how many ways can the letters of the word 'LEADER' be arranged?

  • 1]

    360

  • 2]

    720

  • 3]

    120

  • 4]

    None Of These

Solution
7
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
8
Discuss

In how many ways can a cricketer can score 200 runs with fours and sixes only?

  • 1]

    13

  • 2]

    19

  • 3]

    16

  • 4]

    17

Solution
9
Discuss

From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least three men are in the committee. In how many ways can it be done?

  • 1]

    624

  • 2]

    702

  • 3]

    756

  • 4]

    812

Solution
10
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
# Quiz