Question
Two friend Himanshu and Naman appeared in an exam. The
probability that Himanshu will Qualify the exam is 1/20 and Naman will Qualify the exam is 1/10. The probability that both will qualify the exam is 1/50.Find the probability that only one of them qualify the exam.Solution
Probability of Himanshu =1/20 = 5% Probability of Naman =1/10 =10% Probability of both = 1/50 =2% Probability that only one of them qualify the them= (8+3)/100 =11/100
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