I need help with math problems

Dec 6th, 2015
RockCafe
Category:
Mathematics
Price: $10 USD

Question description

1.   A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream

2.   A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is

3.   A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively? 

4.  A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively

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