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SSC CGL Exam  >  SSC CGL Tests  >  Quantitative Aptitude for SSC CGL  >  MCQ: Boats and Streams - 2 - SSC CGL MCQ

MCQ: Boats and Streams - 2 - SSC CGL MCQ


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15 Questions MCQ Test Quantitative Aptitude for SSC CGL - MCQ: Boats and Streams - 2

MCQ: Boats and Streams - 2 for SSC CGL 2024 is part of Quantitative Aptitude for SSC CGL preparation. The MCQ: Boats and Streams - 2 questions and answers have been prepared according to the SSC CGL exam syllabus.The MCQ: Boats and Streams - 2 MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for MCQ: Boats and Streams - 2 below.
Solutions of MCQ: Boats and Streams - 2 questions in English are available as part of our Quantitative Aptitude for SSC CGL for SSC CGL & MCQ: Boats and Streams - 2 solutions in Hindi for Quantitative Aptitude for SSC CGL course. Download more important topics, notes, lectures and mock test series for SSC CGL Exam by signing up for free. Attempt MCQ: Boats and Streams - 2 | 15 questions in 15 minutes | Mock test for SSC CGL preparation | Free important questions MCQ to study Quantitative Aptitude for SSC CGL for SSC CGL Exam | Download free PDF with solutions
MCQ: Boats and Streams - 2 - Question 1
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If the upstream speed and downstream speed of a boat are 15 km/hr and 25 km/hr, what is the speed of stream?

Detailed Solution for MCQ: Boats and Streams - 2 - Question 1

Speed of the stream 

Hence, Option A is correct.

MCQ: Boats and Streams - 2 - Question 2
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The still water speed of a boat is 30 km/hr. It goes 28 km upstream in 1 hour 45 minutes. What is the downstream speed of the boat?

Detailed Solution for MCQ: Boats and Streams - 2 - Question 2

1 hour 45 minutes = 1.75 hours

Speed of stream = 30 – 16 = 14 km/hr
So the answer = 30 + 14 = 44 km/hr
Hence, Option D is correct.

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MCQ: Boats and Streams - 2 - Question 3
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A boat can cover 60 km downstream in 2 hours when its engine is working and 10 km in 2 hours with the flow (when the engine is off). What is the upstream speed of the boat?

Detailed Solution for MCQ: Boats and Streams - 2 - Question 3


Reqd. speed = 30 – 5 × 2 = 20 km/hr
Hence, Option D is correct.

MCQ: Boats and Streams - 2 - Question 4
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A sailor goes 24 km downstream in 48 minutes and returns in 1 hour 20 minutes. What is the ratio of the upstream speed to the downstream speed?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 4

1 hour 20 minutes = 80 minutes
Upstream time : Downstream time = 80 : 48 = 5 : 3
Upstrem speed : Downstream speed = 3 : 5
Hence, Option D is correct.

MCQ: Boats and Streams - 2 - Question 5
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If the downstream speed of a boat is 19 km/hr and the speed of the stream is 4 km/hr, what is the upstream speed of the boat?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 5

Upstream speed of the boat = 19 – 4 × 2 = 11 km/hr
Hence, Option C is correct.

MCQ: Boats and Streams - 2 - Question 6
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If the upstream speed of a boat is 17 km/hr and the speed of the stream is 4 km/hr, what is the speed of the boat in still water?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 6

Speed of the boat in still water = 17 + 4 = 21 km/hr
Hence, Option C is correct.

MCQ: Boats and Streams - 2 - Question 7
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A man rows a boat 48 km downstream in 3 hours and returns the same distance upstream in 6 hours. What is the ratio of the upstream speed to the downstream speed?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 7


So the answer = 8 : 16 = 1 : 2
Hence, Option A is correct.

MCQ: Boats and Streams - 2 - Question 8
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Boat A beats Boat B by 100 meters in a 1000 meters downstream race. What is the ratio of the downstream speed of Boat A to that of Boat B?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 8

Speed → A : B = 1000 : (1000 – 100) = 10 : 9
Hence, Option D is correct.

MCQ: Boats and Streams - 2 - Question 9
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A man swims 1 km upstream in 1/4 hour. If the speed of the current is 1 km/ hour, in how many seconds can it swim 400 meters upstream?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 9


So the answer = 0.10 × 3600 = 360 seconds
Hence, Option B is correct.

MCQ: Boats and Streams - 2 - Question 10
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If the difference between the downstream speed and upstream speed of a boat is 8 km/hr, what is the speed of stream?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 10


Hence, Option C is correct.

MCQ: Boats and Streams - 2 - Question 11
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If the ratio of the speed of stream to the speed of a boat in still water is 1 : 3, the downstream speed is what percentage of the upstream speed of the boat?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 11


Hence, Option D is correct.

MCQ: Boats and Streams - 2 - Question 12
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If a boat can cover 800 meters upstream in 200 seconds, in how many minutes can it cover 84 km downstream?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 12

Since neither the downstream speed nor the speed of the stream is given, the answer cannot be determined.
Hence, Option D is correct.

MCQ: Boats and Streams - 2 - Question 13
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A boat goes 12 km downstream and comes back to the starting point in 4 hours. If the speed of the stream is half the speed of the boat in still water, what is the speed of the stream?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 13

Let the speed of stream = x km/hr
Speed of the boat in still water = 2x km/hr

16 = 4x

So the answer = 4 km/hr
Hence, Option B is correct.

MCQ: Boats and Streams - 2 - Question 14
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If the upstream speed and downstream speed of a boat are 9 km/hr and 36 km/hr, respectively, what is the speed of the boat in still water?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 14

Speed of the boat in still water 

Hence, Option B is correct.

MCQ: Boats and Streams - 2 - Question 15
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A man swims 5 km downstream in 1 hour. If the speed of the current is 1 km/hr, in how many minutes can he swim 200 meters upstream?
Detailed Solution for MCQ: Boats and Streams - 2 - Question 15


US = 5 – 2 = 3 km/hr

Hence, Option D is correct.

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MCQ: Boats and Streams - 2

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