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In how many ways can a committee of 4 me...

In how many ways can a committee of 4 men and 3 women be appointed from 6 men and 8 women ?

A

480

B

308

C

840

D

640

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AI Generated Solution

The correct Answer is:
To solve the problem of how many ways a committee of 4 men and 3 women can be appointed from 6 men and 8 women, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the total number of men and women**: - Total men = 6 - Total women = 8 2. **Determine the number of men and women needed for the committee**: - Men needed = 4 - Women needed = 3 3. **Calculate the number of ways to choose 4 men from 6**: - The number of ways to choose 4 men from 6 is given by the combination formula \( \binom{n}{r} \): \[ \binom{6}{4} = \frac{6!}{4!(6-4)!} = \frac{6!}{4! \cdot 2!} \] - Simplifying this: \[ = \frac{6 \times 5}{2 \times 1} = 15 \] 4. **Calculate the number of ways to choose 3 women from 8**: - The number of ways to choose 3 women from 8 is: \[ \binom{8}{3} = \frac{8!}{3!(8-3)!} = \frac{8!}{3! \cdot 5!} \] - Simplifying this: \[ = \frac{8 \times 7 \times 6}{3 \times 2 \times 1} = 56 \] 5. **Combine the two results to find the total number of ways to form the committee**: - The total number of ways to form the committee is the product of the two combinations: \[ \text{Total ways} = \binom{6}{4} \times \binom{8}{3} = 15 \times 56 \] 6. **Calculate the final result**: - Now, calculate \( 15 \times 56 \): \[ 15 \times 56 = 840 \] ### Final Answer: The total number of ways to appoint a committee of 4 men and 3 women from 6 men and 8 women is **840**. ---
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AAKASH INSTITUTE ENGLISH-PERMUTATIONS AND COMBINATIONS -Assignment Section A Objective type questions (One option is correct )
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  17. How many four digit natural numbers not exceeding 4321 can be formed ...

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