Time and Distance [NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics]: Questions 12  17 of 27
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Question 12
Question
MCQ▾A man goes from Pune to Bangalore at a uniform speed of 30 km/hr and comes back to Pune at a uniform speed of 50 km/hr. his average speed for the whole journey is:
Choices
Choice (4)  Response  

a.  48.6 km/hr  
b.  37.5 km/hr  
c.  55 km/hr  
d.  50.8 km/hr 
Passage
The table given below shows survey carried out at Mumbai Railway Station for the arrivals/departures of trains for the month of January 2016. Study the table and answer the following questions:
Delay (in min. )  Number of arrivals  Numbers of departures 
0  1600  1800 
0  30  165  156 
30  60  25  130 
Over 60  10  14 
total  1800  2100 
Question 13 (1 of 2 Based on Passage)
Question
MCQ▾If the punctuality of railways is defined as the number of occasions on which trains arrived on departed in time as a percentage of total number of arrivals and departures from the station, then the punctuality for the month under observation is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 14 (2 of 2 Based on Passage)
Question
MCQ▾The total number of late departures of trains is
Choices
Choice (4)  Response  

a.  300  
b.  268  
c.  335  
d.  400 
Passage
The table given below shows survey carried out at Mumbai Railway Station for the arrivals/departures of trains for the month of January, 2016. Study the table and answer the following questions:
Delay (in min. )  Number of arrivals  Numbers of departures 
0  2000  2250 
0  30  178  56 
30  60  36  48 
Over 60  36  46 
total  2250  2400 
Question 15 (1 of 2 Based on Passage)
Question
MCQ▾If the punctuality of railways is defined as the number of occasions on which trains arrived on departed in time as a percentage of total number of arrivals and departures from the station, then the punctuality for the month under observation is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 16 (2 of 2 Based on Passage)
Question
MCQ▾The total number of late departures of trains is
Choices
Choice (4)  Response  

a.  268  
b.  456  
c.  358  
d.  150 
Question 17
Question
MCQ▾Starting from his house one day, a student walks at a speed of 2.5 km/hr and reaches his school 5 minutes late. Next day at the same time he increases his speed by 5 km/hr and reaches the school 15 minutes early. How far is the school from his house?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
