Speed and Time (SSC CGL (SSC Combined Graduate Level) Mathematics): Questions 1  6 of 9
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Question number: 1
» Speed and Time
Question
A boat goes 15 km downstream and comes back to the starting point in 5 hours. If the speed of the current is 5 km/hr, then the speed (in km/hr) of the boat in still water is
Choices
Choice (4)  Response  

a.  8 

b.  9 

c.  12 

d.  6 

Question number: 2
» Speed and Time
Question
A boat goes 12 km downstream and comes back to the starting point in 4 hours. If the speed of the current is 4 km/hr, then the speed (in km/hr) of the boat in still water is
Choices
Choice (4)  Response  

a.  8 

b.  16 

c.  2 

d.  18 

Question number: 3
» Speed and Time
Question
A man can row at 15 km/hr in still water. If the velocity of current is 6 km/hr and it takes him 2 hour to row to a place and come back, how far is the place?
Choices
Choice (4)  Response  

a.  20 km 

b.  15 km 

c.  12.6 km 

d.  13 km 

Question number: 4
» Speed and Time
Question
A man can row at 5 km/hr in still water. If the velocity of current is 3 km/hr and it takes him 2 hour to row to a place and come back, how far is the place?
Choices
Choice (4)  Response  

a.  3.6 km 

b.  6.4 km 

c.  3.2 km 

d.  4.5 km 

Question number: 5
» Speed and Time
Question
A man can row at 8 km/hr in still water. If the velocity of current is 4 km/hr and it takes him 1 hour to row to a place and come back, how far is the place?
Choices
Choice (4)  Response  

a.  5 km 

b.  3 km 

c.  2 km 

d.  6 km 

Question number: 6
» Speed and Time
Question
A boat goes 30 km downstream and comes back to the starting point in 2 hours. If the speed of the current is 8 km/hr, then the speed (in km/hr) of the boat in still water is
Choices
Choice (4)  Response  

a.  38 

b.  32 

c.  36 

d.  39 
