# Permutations and Combinations Questions - Permutation and Combinations

1:

Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to

 A. 60 B. 120 C. 7200 D. none of these Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. sakthisree said: (3:38pm on Wednesday 23rd September 2015) 4P2*5P3=7200 Write your comments here:
2:

The number of different permutations of the word BANANA is

 A. 720 B. 60 C. 120 D. 360 Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. SASIKALA K said: (6:03am on Wednesday 21st February 2018) we have to find the no: of different permutation of this word.First we have to count the total no: of letters in it.Here it is 6find out how many letters are repeating in the word.Here A is repeated 3 times. N is repeated 2 times.then total no: of different permutation is 6!/(3!*2!)ANS: 60 Write your comments here:
3:

There are four bus lines between A and B; and three bus lines between Band C.

The number of way a person roundtrip by bus from A to C by way of B will be

 A. 12 B. 48 C. 144 D. 264 Answer Report Discuss Option: A Explanation : There are four ways to go from A to B and three ways to go from B to C, Hence there are 4 x 3 = 12 ways to go from A to C by way of B Click on Discuss to view users comments. Write your comments here:
4:

In how many ways can 5 red and 4 white balls be drawn from a bag containing 10 red and 8 white balls?

 A. 8C5  x 10C4 B. 10C5  x  8C4 C. 18C9 D. None of these Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
5:

The number of diagonals that can be drawn by joining the vertices of an octagon is

 A. 28 B. 48 C. 20 D. none of these Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. IShan said: (5:47am on Tuesday 13th February 2018) 8c2=28 Write your comments here:

## Suggest an improvement

• These permutation and combination Multiple Choice Questions Answers can be used for the preparation of UGC NET Computer Science Exam.
• Permutation and combination MCQ  can also be used for scroing in GATE Aptitude Exams.
• Permutation and combination MCQ Questions Answers can be used for the preparation of PSU Exams.
• Combination Multiple Choice Questions Answers can be used  for gaining good credit score in Computer Engineering exams.
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