Elitmus Exam Numerical Ability Probability

8 coins are tossed. Whats is the probability that one and only one turns up head ?

Options
1) 1/256
2) 1/32
3) 1/64
4) 1/128

Read Solution (Total 9)

Elitmus Other Question

A man can hit the target once in four shots. If he fires 4 shots in succession, what is the probability that he will hit target ?

Options
1) 1
2) 1/256
3) 81/256
4) 175/256
p,q,r,s are real integers. find if q < s or not..

a) q>r , pr , p