Question

A boat takes 2 hours longer to go 30km upstream than to go the same distance downstream. Calculate the speed of boat in still water if the speed of water current is 2km/h. ​

Answer 1

Answer:

Answer: Option C

Explanation:

Speed downstream = (14 + 1.2) = 15.2 kmph

Speed upstream = (14 - 1.2) = 12.8 kmph

Answer 2

Answer:

8km/hr

Step-by-step explanation:

30/a-2 - 30/a+2 =2

solve the eq. we get

a=8km/hr.

if you can't solve the eq. comment I'll help you.