The odds against a certain event is 5 : 2 and the odds in favour of another event is 6 : 5. If the both the events are independent, then the probability that at least one of the events will happen is

Options

A. 1) `(50)/(77)`
B. 2) `(52)/(77)`
C. 3) `(25)/(88)`
D. 4) `(63)/(88)`

Answer

B