4 Maths -- Permutation and Combination

From 6 gentlemen and 4 ladies a committee of 5 is to be formed. In how many ways can this be done so as to include at least 3 ladies?

From 6 gentlemen and 4 ladies a committee of 5 is to be formed. In how many ways can this be done so as to include at least 3 ladies?

1 Answers

More questions on Permutation and Combination

In a certain city there are n straight streets, such that every two streets intersect, and no three streets pass through the same intersection. The City Council wants to organize the city by design...

Committee of 4 men and 3 women is to be formed from among 6 men and 8 women. But miss A refuses to be a member if Mr. D is a member. Then the number of ways in which the committee can be formed is ...

( 6C4 * 8C3 ) - (5C3 * 7C2) = 630
Answer: Non of the above

If C(8,r) - C(7,3) = C(7,2) , then r = a. 3 b. 3 or 5c. 5 or 7 d. 7

In how many ways can eight people be seated in a round table if two people insist in sitting next to each other?

4 couples are to be sited in straight line in how many way it can be done if1)No couples are sitting together

Write the number of permutations and combinations when 4 letters are taken from the word 'EXAMINATION'.

How many numbers are there between 100 and 1000 , which have exactly one of their digits as 7 ?

In how many of the distinct permutations of the letters in 'MISSISSIPPI' do the 4 I's not come together ?