__Mcq based on boat and streams:__

**1 . 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:**

**5 km/hr****10 km/hr****20 km/hr****18 km/hr**

*Answer*:*[10 km/hr]***2 .**

**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.**

**3 hours****4****hours****8****hours****10****hours**

**Answer : [4****hours****]****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?**

**3:4****8:3****4:6****7:8**

**Answer : [8:3]***4 .*

**A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?**

**6 km/hr****10 km/hr****20 km/hr****Data inadequate**

*Answer : [6 km/hr]*

**5. The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:**

**3.4 km****3.6 km****2.8 km****4.9 km**

*Answer : [3.6 km]*

**6. A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?**

**3.4 km****2.4 km****5.7 km****4.8 km**

*Answer : [ 2.4 km ]*

**7. A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?**

**1 hr 20 min****1 hr 15 min****40 minutes****60 minutes**

*Answer : [ 1 hr 15 min ]*

**8.**

**Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a6 distance of 105 km and comes back to the starting point. The total time taken by him is:**

**13 hours****24 hours****20 hours****12 hours**

*Answer : [ 24 hours ]*

*.*

**9****A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:**

**5:6****6:7****3:1****3:4**

*Answer : [ 3:1 ]*

**10.**

**A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:**

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