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Frequently Asked IBM Numerical Ability - Permutation and Combination Interview Questions with Answers

(#M40166290) IBM QUESTION Aptitude Keep an EYE

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:
A. 21/46
B. 25/117
C. 1/50
D. 3/25

Asked In IBM Priya (6 years ago)

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(#M40017456) IBM QUESTION Keep an EYE

A father of 6 children takes 2 of his children at a time to a circus as often as he can, without taking the same pair of children together more than once. How many times does the father go to the circus?

Asked In IBM Madhurina Som (12 years ago)

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(#M40004644) IBM QUESTION Permutations & combinations Keep an EYE

A Committee is to be formed from a Group of 6 women and 5 men. Out of the 6 women 2 are Teachers, 2 Social Workers and 2 Doctors. Out of the 5 men 3 are Teachers and 2 Doctors. In how many different ways can it be done?

Asked In IBM (13 years ago)

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(#M40027709) IBM QUESTION P&C Keep an EYE

The number of 5-digit numbers that can be formed from 4,2,0,7 and 3 are:
A) 120
B) 96
C) 72
D) 24

Asked In IBM Puneet (12 years ago)

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(#M40165342) IBM QUESTION profit and loss Keep an EYE

in how many ways can 5 team members named sita(empl_id 1), gita (empolee_id 2), meeta(emp_id 3), rita(emp_id 4) and kirti(emp_id 5) be seated if they should not sit in ascending order of their employee ids?

Asked In IBM ommohan (7 years ago)

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(#M40128161) IBM QUESTION Keep an EYE

The Speed of a boat in still water is 25 kmph. If it can travel 10 km upstream in 1 hr, What time it would take to travel the same distance downstream?

A. 22 minutes

B. 30 minutes

C. 40 minutes

D. 15 minutes

Asked In IBM harini (10 years ago)

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(#M40128154) IBM QUESTION Keep an EYE

The speed of a boat in still water is 8 kmph. If it can travel 1 km upstream in 1 hr, What time it would take to travel the same distance downstream?

A. 1 minute

B. 2 minutes

C. 3 minutes

D. 4 minutes

Asked In IBM harini (10 years ago)

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(#M40005537) IBM QUESTION problems on numbers Keep an EYE

48 students have to be seated such that each row has the same number of students as the others. If at least 3 students are to be seated per row and at least 2 rows have to be there, how many arrangements are possible?

Asked In IBM (13 years ago)

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(#M40151620) IBM QUESTION IBM Keep an EYE

25 buses are running between two places P and Q. In how many ways can a person go from P to Q and return by a different bus?

Option
1) 625
2) 600
3) 576
4) None of these

Asked In IBM Arunkumar (10 years ago)

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(#M40005612) IBM QUESTION Permutation and combinations Keep an EYE

How many ways can 4 prizes be given away to 3 boys, if each boy is eligible for all the prizes?

Asked In IBM (13 years ago)

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