# Most Important Questions of Boat and Streams for SBI PO

As we all know SBI PO is here and we are ready with the 80 days plan in which we provide you daily quizzes on new pattern questions with different topics that will help you to go through this exam.

So, here we are with the Most important questions of Boat and Streams.

**Q1. A boat goes 30 km upstream and 44 km downstream in 10 hrs. In 13 hrs, it can go 40 km upstream and 55 km downstream. The speed of the boat in still water is:**

(a) 3 km/h

(b) 4 km/h

(c) 8 km/h

(d) 5 km/h

**Q2. A boat goes 24 km upstream and 28 km downstream in 6 hrs. It goes 30 km upstream and 21 km downstream in 6 hrs and 30 minutes. The speed of the boat in still water is:**

(a) 10 km/h

(b) 4 km/h

(c) 14 km/h

(d) 6 km/h

(e) None of these

**Q3. Speed of a speed-boat when moving in the direction perpendicular to the direction of the current is 25 km/h, speed of the current is 5 km/h. So, the speed of the boat against the current will be:**

(a) 25 km/h

(b) 20 km/h

(c) 15 km/h

(d) 13 km/h

(e) None of these

**Q4. A ship 55 km from the shore springs a leak which admits 2 tonnes of water in 6 minutes, 80 tonnes would suffice to sink her, but the pumps can throw out 12 tonnes an hour. The average rate of sailing that she may just reach the shore as she begins to sink is:**

(a) 9.17 km/h

(b) 0.97 km/h

(c) 55 km/h

(d) 5.5 km/h

(e) None of these

**Q5. A man who can swim 48 m/minute in still water. He swims 200 m against the current and 200 m with the current. If the difference between those two times is 10 minutes, what is the speed of the current?**

(a) 30 m/min

(b) 31 m/min

(c) 29 m/min

(d) 32 m/min

(e) None of these

**Q6. A boat travels upstream from B to A and downstream from A to B in 3 h. If the speed of the boat in still water is 9 km/h and the speed of the current is 3 km/h, what distance between A and B?**

(a) 6 km

(b) 4 km

(c) 8 km

(d) 12 km

(e) None of these

**Q7. In a stream that is running at 2 km/h, a man goes 10 km upstream and comes back to the starting point in 55 minutes. Find the speed of the man in still water.**

(a) 20 km/h

(b) 22 km/h

(c) 24 km/h

(d) 28 km/h

(e) None of these

**Q8. A boat sails 15 km of a river towards upstream in 5 hrs. How long will it take to cover the same distance downstream, if the speed of current is one-fourth the speed of the boat in still water:**

(a) 1.8 hrs

(b) 3 hrs

(c) 4 hrs

(d) 5 hrs

(e) None of these

**Q9. A motorboat went the river for 14 km and then up the river for 9 km. If took a total of 5 hrs the entire journey. Find the speed of the river flow if the speed of the boat in still water is 5 km/h.**

(a) 1 km/h

(b) 1.5 km/h

(c) 2 km/h

(d) 3 km/h

(e) None of these

**Q10. Speed of a swimmer when moving in the direction perpendicular to the direction of the current is 16 km/h, speed of the current is 3 km/h. So the speed of the swimmer against the current will be (in km/h):**

(a) 22

(b) 9.5

(c) 10

(d) 13

(e) None of these

**Q11. At his usual rowing rate, Rahul can travel 12 miles downstream in a certain river in 6 hrs less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for this 24 mile round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour?**

(a) 7/3

(b) 4/3

(c) 5/3

(d) 8/3

(e) None of these

**Q12. P, Q, R are three towns on a river which flows uniformly. Q is equidistant from P and R. A man rows from P to Q and back in 10 hrs. He can row from P to R(upstream) in 4 hrs. The ratio of speed of man in still water to the speed of the current is:**

(a) 5 : 3

(b) 3 : 5

(c) 2 : 5

(d) 1 : 2

(e) None of these

**Q13. In a river flowing at 2 km/h, a boat travels 32 km upstream and then returns downstream to the starting point. If its speed in still water be 6 km/h, find the total journey time.**

(a) 16 hrs

(b) 12 hrs

(c) 14 hrs

(d) 15 hrs

(e) None of these

**Q14. Speed of a man is 10 km/h in still water. If the rate of current is 3 km/h, then the effective speed of the man upstream is:**

(a) 7 km/h

(b) 8.5 km/h

(c) 9 km/h

(d) 9.5 km/h

(e) None of these

**Q15. A man can row at 5 km/h in still water. If the river is running at 1 km/h, it takes him 75 minutes to row to a place and back. How far is the place?**

(a) 2.5 km

(b) 3 km

(c) 4 km

(d) 5 km

(e) None of these

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