Permutation and Combination Practice Question and Answer

Q:

There are four different bags. Also, there are four different coins. In how many ways can the coins be put into bags if there are exactly two coins in exactly one of the bags?

9499 0

  • 1
    48
    Correct
    Wrong
  • 2
    96
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    144
    Correct
    Wrong
  • 5
    180
    Correct
    Wrong
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Answer : 4. "144"

Q:

If four coins are tossed together, what is the probability of at least getting 2 heads?

1471 0

  • 1
    13\16
    Correct
    Wrong
  • 2
    11\16
    Correct
    Wrong
  • 3
    9\16
    Correct
    Wrong
  • 4
    15\16
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "11\16"

Q:

In how many different ways can the letters of the word ‘DESIGN’ be arranged so that the vowels are at the two ends? 

1476 0

  • 1
    48
    Correct
    Wrong
  • 2
    72
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "48 "

Q:

Out of 5 men and 3 women. committee of 3 members is to be formed so that it has 1 woman and 2 men. In how many different ways can it be done? 

1313 0

  • 1
    20
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    23
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "30 "

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