Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Aptitude
»
Permutation and Combination
In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?
63
90
126
45
135
Correct Answer:
63
Explanation:
Required number of ways = (
7
C
5
x
3
C
2
) = (
7
C
2
x
3
C
1
) =
❨
7 x 6
x 3
❩
= 63.
2 x 1
← Previous Question
Next Question→
More Questions from
Permutation and Combination
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
In how many different ways can the letters of the word 'MATHEMATICS' be arranged so that the vowels always come together?
How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?
From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?
If 56P r + 6 : 54P r + 3 = 30800 : 1 then the value of r is?
How many groups of 6 persons can be formed from 8 men and 7 women?
There are 10 oranges in a basket. Find the no. of ways in which 3 oranges are chosen from the basket?
There are 25 students in a class. Find the number of ways in which a committee of 3 students is to be formed.?
8 men entered a lounge simultaneously. If each person shook hands with the other, then find the total no. of hand shakes?
If n+2C 8 : n- 2P 4 = 57 : 16 then the value of n is?
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments