PLACEMENT
Interview
Numerical Ability
Permutation and Combination
In a quiz competition,one has answered three questions.First question has three options A,B,C and next two are in True/false type.What is the probability of answering the questions correctly?
a.7/12
b.1
c.17/24
d.1/6
Read Solution (Total 2)
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- c is the answer
- 5 years agoHelpfull: Yes(1) No(0)
- first question probablity =1/3
2nd question probablity = 1/2
3rd question probablity =1/2
total 3 questions probablity=1/3*1/2*1/2=1/12
noof ways he can answer=7ways
probablity of correct =7*1/12= 7/12 - 5 years agoHelpfull: Yes(1) No(0)
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