Direction (Qs.1-5): Study the following pie-charts and table carefully and answer the questions that follow:
Some values are missing. Answer the questions on the basis of given table and information in questions. Speed of stream is same for both upstream and downstream distance on respective days.
Question No : 1
Time taken to cover the upstream distance on Friday is same as time taken to cover the downstream distance on Thursday. Total speed of still water on Thursday and Friday is 10 km/hr. Find the ratio of speed of still water on Thursday and Friday.
(1) 6 : 13
(2) 4 : 11
(3) 7 : 13
(4) 4 : 15
(5) 7 : 12
Question No : 2
On Monday, the boat takes a total of 4 hours 30 minutes to cover both upstream and downstream distance. Ratio of speed of boat in still water in going upstream to downstream is 4 : 5. Find the speed of boat in still water while going downstream.
(1) 13 km/hr
(2) 1 km/hr
(3) 9 km/hr
(4) 10 km/hr
(5) 12 km/hr
Question No : 3
On Tuesday, the ratio of speed of boat in still water in going upstream to downstream is 3 : 8. Also difference in speed of boat in still water in going upstream and downstream is 5 km/hr. If the total time taken by boat to cover upstream and downstream distance is 14 hours on Tuesday, find the speed of stream.
(1) 2 km/hr
(2) 1 km/hr
(3) 3 km/hr
(4) 1.5 km/hr
(5) 2.5 km/hr
Question No : 4
On Wednesday, the ratio of speed of boat in still water in going upstream to downstream is 4 : 5. The difference between time to cover upstream distance and downstream distance is 5 hours, find the total time taken to cover upstream distance and downstream distance.
(1) 5 hours
(2) 4 hours
(3) 7 hours
(4) 8 hours
(5) 6 hours
Question No : 5
Time taken to cover the upstream distance on Thursday is 12 hours more than time taken to cover the downstream distance on Friday. Total speed of still water on Thursday and Friday is 11 km/hr. What will be the ratio of speed of still water on Thursday and Friday?
(1) 6 : 7
(2) 4 : 5
(3) 7 : 9
(4) 5 : 6
(5) 7 : 8
