Question

Mayur travel from mumbai to jummu in 7 different ways. but he is allowed to return to mumbai by any ways except the one he used earlier. in how many ways can he complete his journey?
a) 49
b) 42
c) 48
d) 6​

Answer 1

Step-by-step explanation:

n(n-1)

7(7-1)

7×6

42

#666

Answer 2

Step-by-step explanation:

He can go to mumbai in 7 ways and return in (7-1) ways (Excluding the path he used)

Therefore he can complete his journey in 7×6 ways = 42 ways