Here we have given the Boat and Stream questions for bank Clerk Prelims exam preparation. The IBPS Clerk prelims exams will have a quantitative aptitude section for 35 marks. In this section, you can expect application sums for 10 to 15 marks. In application sums, there are various topics. You can expect 1 or 2 questions from the boat and stream topic. For your practice, we have added the Boat and Stream questions for bank Clerk Prelims exam practice.
Normally, in the IBPS Clerk prelims bank exams, many candidates will skip the application sums. But as the competition is huge, you have to prepare for all topics. So, practice more Boat and Stream questions for bank Clerk Prelims exam.
Tips to Solve Boat and Stream Questions
Here are some tips and instructions to prepare for the boat and stream questions in bank Clerk exams.
- RFirst, make thorough the boat and stream concept.
- Understand the terminologies such as downstream speed, upstream speed, speed of stream, etc.
- Know the correct formula for the concepts of downstream and upstream.
- Keep on practicing various types of problems.
- Automatically, you can pick up speed and technique to solve these questions after continuous practice.
So, candidates practice all the boat and stream questions for bank Clerk prelims exams.
Start Quiz
1) The sum of the speed of the boat downstream and upstream is 9 kmph and the time taken by the boat downstream is 3 hours and upstream is 6 hours. Find the total distance travelled by the boat, if the speed of the stream is 1.5 kmph?
A.36 km
B.18 km
C.72 km
D.12 km
E.None of these
2) A boat travels 75 km along the stream in 5 hours and the speed of the stream is 6 kmph. Then find the time taken by the boat to cover the same distance against the stream?
A.25 hours
B.10 hours
C.28 hours
D.22 hours
E.None of these
3) The boat covers 150 km upstream in x hours and the same boat covers 175 km downstream in (x – 3) hours. If the speed of the current is 25% of the speed of the boat, then find the downstream speed of the boat?
A.15 kmph
B.20 kmph
C.30 kmph
D.25 kmph
E.None of these
4) The ratio of the speed of the boat in still water to the speed of the stream is 4:3. The boat travelled 70 km downstream and 30 km upstream in 8 hours. Then find the downstream speed?
A.35 kmph
B.5 kmph
C.25 kmph
D.12 kmph
E.None of these
5) A boat travels 216 km upstream and downstream in 27 hours. If the boat travels 228 km against the stream in 19 hours, then what is the speed of the boat in still water?
A.15 kmph
B.12 kmph
C.24 kmph
D.18 kmph
E.20 kmph
6) A boat covers 96 km against stream in 6 hours. If the speed of the boat is five times of the speed of stream, then what is the time taken by the boat covers 228 km downstream?
A.10.5 hours
B.9.5 hours
C.8.5 hours
D.8 hours
E.None of these
7) Ratio of the time taken to cover the same distance upstream to downstream is 5 : 4. If the speed of the boat in still water is 36kmph, then find the time taken by the boat to cover 200 km downstream?
A.5 hours
B.10 hours
C.8 hours
D.12 hours
E.None of these
8) A boat travels from A to B downstream at a speed of 15 kmph and returns to point C which is the midpoint of A and B upstream at a speed of 5 kmph and it takes 8 hours for the whole travel. Find the distance between point A to C?
A.24 km
B.48 km
C.72 km
D.12 km
E.None of these
9) The speed of the boat against the stream is 9 kmph. If the speed of the boat is decreased by 20% and the speed of the stream is increased by 50%, then the boat covers 168 km along with the stream in 8 hours. Find the original speed of the stream?
A.5 kmph
B.6 kmph
C.3 kmph
D.4 kmph
E.2 kmph
10) A boat covers 450 km along the stream in 15 hours and the same boat covers 140 km against the stream in 7 hours. What is the ratio of the speed of the stream and the speed of the boat in still water?
A.2:1
B.3:1
C.5:4
D.5:3
E.None of these
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Answers :
1) Answer: A
Let the speed of the boat be x kmph
Speed of stream = 1.5 kmph
Downstream speed = x+1.5
Upstream speed= x-1.5
(x+1.5) + (x-1.5) = 9
2x = 9
x = 4.5kmph
Downstream distance = 3 * (4.5+1.5) = 6*3 = 18 km
Upstream distance = 6 *(4.5-1.5) = 6 *3 = 18 km
Total distance = 18+18 = 36 km
2) Answer: A
Speed of stream =6 kmph
Speed of boat = x kmph
75/(x+6) = 5
75 = 5x+30
5x = 45
x= 9 kmph
Required time = 75/(9-6) = 75/3= 25 hours
3) Answer: D
Speed of boat = 4y
Speed of current = 4y * 25/100 = y
150/(4y – y) = x
150/3y = x
xy = 50
175/(4y + y) = (x – 3)
175/5y = (x – 3)
35 = xy – 3y
y = 5
Downstream speed = 5 * 5 = 25 kmph
4) Answer: A
Boat speed = 4x
Water speed = 3x
Downstream speed = 4x+3x = 7x
Upstream speed = 4x – 3x = x
According to the question,
70/7x + 30/x = 8
(70+210)/7x = 8
280/7x = 8
x= 5 kmph
Downstream speed = 7x = 7*5 = 35 kmph
5) Answer: D
Upstream speed = 228/19 = 12 kmph
Speed of boat = x
Speed of stream = y
216/12 + 216/(x + y) = 27
216/(x + y) = 9
x + y = 24
Speed of the boat = (24 + 12)/2 = 18 kmph
6) Answer: B
Speed of upstream = 96/6 = 16 kmph
Speed of boat = 5x
Speed of stream = x
5x – x = 16
x = 4
Downstream speed = 6 * 4 = 24 kmph
Required time = 228/24
= 9.5 hours
7) Answer: A
The time ratio of Upstream to downstream = 5 : 4
The speed ratio of upstream to downstream = 4 :5
Boat speed = 36 kmph = (4x+5x)/2 = 4.5x
4.5x = 36
x= 8kmph
Downstream speed = 5x = 5*8 = 40 kmph
Required time = 200/40 = 5 hours
8) Answer: A
Distance between A and B = x km
According to the question
x/15 + (x/2)/5 = 8
x/15 + x/10 = 8
(2x+3x)/30 = 8
5x /30 = 8
x= 48 km
Distance between A and C =x/2 = 48/2 = 24 km
9) Answer: B
Speed of boat = x
Speed of stream = y
x – y = 9 —-(1)
168/(x * 80/100 + y * 150/100) = 8
4x/5 + 3y/2 = 21
8x + 15y = 210 —-(2)
From (1) and (2)
23y = 138
y = 6 kmph
10) Answer: E
Speed of the boat along the stream = 450/15 = 30 kmph
Speed of the boat against the stream = 140/7 = 20 kmph
Speed of the boat in still water = (30 + 20)/2 = 25 kmph
Speed of the stream = (30 – 20)/2 = 5 kmph
Required ratio = 5:25 = 1:5
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