Question

from 4 officers and 8 jawans in how many ways can be 6 chosen to include at least 1 officer​

Answer 1

Answer:

4 ways

Step-by-step explanation:

1) 4 Officer + 2 Jawans

2) 3 Officer + 3 Jawans

3) 2 Officer + 4 Jawans

4) 1 Officer + 5 Jawans

Answer 2

Answer:

Step-by-step explanation:

The required cases of at least one officer = total cases - cases having only jawans = 12C6 - 8C6 = 924 - 28 = 896.