In how many ways can a committee of 4 people be chosen out of 8 people?

A. 32

B. 70

C. 110

D. 126

E. None of these

Answer: Option B

Solution(By Examveda Team)

Required number of ways
$$\eqalign{ & = {}^8{C_4} \cr & = \frac{{8 \times 7 \times 6 \times 5}}{{4 \times 3 \times 2 \times 1}} \cr & = 70 \cr} $$