question_answer

The probability that Krishna will be alive 10 years hence, is 7/15 and the probability that Hari will be alive after 10 years, is 7/10. The probability that both Krishna and Hari will be alive 10 years hence, is

A)  \[\frac{21}{150}\]        

B)  \[\frac{24}{150}\]

C)  \[\frac{49}{150}\]                    

D)  \[\frac{56}{150}\]