If on Friday ratio of speeds of boats A, B and C in still wa | Data Interpertation & airthmatic

If on Friday ratio of speeds of boats A, B and C in
still water is 6:7:9 and upstream journey times of boats A
and C are 2 hours and 1.5 hours respectively, then what
is the upstream journey time of boat B on Friday?
a) 2 hours 30 minutes
b) 2 hours 10 minutes
c) 3 hours 16 minutes
d) 4 hours 15 minutes
e) Other than above