Quiz on Math Set 361

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Quiz on Math Set 361 :

Question 1 :

A boat travels 10 km in 1 hr downstream and 14 kms in 2 hrs upstream. How much time this boat will take to travel 17 kms in still water?
A. 1 hr
B. 2.5 hr
C. 2 hr
D. 3.5 hr

Correct Ans: Option C

Question 2 :

A man goes by motor boat a certain distance upstream at 15 km/hr and return the same downstream at 20 kin/hr. The total time taken for the journey was 7 hrs. Find how far did he go.
A. 60 km
B. 50 km
C. 40 km
D. 120 km

Correct Ans: Option A

Question 3 :

A man can row upstream a distance of 2/3 km in 10 minutes and returns the same distance downstream in 5 minutes. Ratio of man's speed in still water and that of the stream will be
A. 3 : 1
B. 1 : 3
C. 2 : 3
D. 3 : 2

Correct Ans: Option A

Question 4 :

A man can row a certain distance down stream in 6 hours and return the same distance in 9 hours. If stream flows at the rate of 2 km/hr, then what will be man's speed if he rows in still water?
A. 10 km/hr
B. 12 km/hr
C. 14 km/hr
D. 15 km/hr

Correct Ans: Option A

Question 5 :

A boat against the current of water goes 9 km/hr and in the direction of the current 12 km/hr. The boat takes 4 hours and 12 minutes to move upwared and downward direction from A to B. What is the distance between A and B?
A. 21.6 km
B. 21.0 km
C. 22 km
D. 30 km

Correct Ans: Option A

Question 6 :

A man takes 3 hours and 45 minutes to boat 15 km with the current in a river and 2 hours 30 minutes to cover a distance of 5 km against the current. Speed of the boat in still water and speed of the current respectively will be
A. 3 km/hr, 1 km/hr
B. 1 km/hr, 3 km/hr
C. 2 km/hr, 4 km/hr
D. none of these

Correct Ans: Option A

Question 7 :

A boat can be rowed 6 km/hr along the current and 4 km/hr against the current. Speed of the current and speed of the boat in still water, respectively will be
A. 1 km/hr, 5 km/hr
B. 5 km/hr, 1 km/hr
C. 2 km/hr, 4 km/hr
D. none of these

Correct Ans: Option A

Question 8 :

A boat moves down the stream at the rate of 1 km in 6 minutes and up the stream at the rate of 1 km in 10 minutes. The speed of the current is
A. 2 km/hr
B. 1 km/hr
C. 1.5 km/hr
D. 2.5 km/hr

Correct Ans: Option A

Question 9 :

A man can row 5 km per hour in still water. If the river is flowing at 1km per hour, it takes him 75 minutes to row to a place and back. How far is the place?
A. 3 km
B. 2.5 km
C. 4 km
D. none of these

Correct Ans: Option A

Question 10 :

Speed of a boat in still water is 7 km/hr and speed of the stream is 1.5 km/hr . How much time will it take to move up is stream of a distance 7.7 km?
A. 75 minutes
B. 84 minutes
C. 72 minutes
D. none of these

Correct Ans: Option B

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [C],     Q.2 [A],     Q.3 [A],     Q.4 [A],     Q.5 [A],     Q.6 [A],     Q.7 [A],     Q.8 [A],     Q.9 [A],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Math
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