A committee of 3 men and 4 women , is to be formed from 5 men and 7 women . How many different committees can be formed if : A. a particular man must be on the seat
B .two particular must not be on the committee
C. There are no restrictions.

Topic : Permutation and combination

A particular man on the seat, then 2 men are out of 4:

4 women out of 7:

Total combinations:

Option 1. 2 men excluded

3 men out of 3 and 4 women out of 7

Total ways:

Option 2. 2 women are excluded

3 men out of 5 and 4 women out of 5

Option 3. 1 man and 1 woman excluded

3 out of 4 men and 5 out of 6 women:

No restrictions, so the number of ways:

lol we need to see what the question is asking about

step-by-step explanation:

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.