NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics: Questions 356  362 of 425
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Question number: 356
» Fundamental Arithmetical Operations
Question
If ( ) is 8 more than ( ) and ( ) is 6 less than ( ), then ( ) is
Choices
Choice (4)  Response  

a. 
 
b.  1.5  
c. 
 
d.  1.0 
Question number: 357
Question
A man travels a distance of 50 km at 10 km/hr another distance of 50 km at 25 km/hr and a third distance of 50 km at 5 km/hr. his average speed for the whole journey (in km/hr) is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

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  1500  1700 
0  30  110  112 
30  60  30  109 
Over 60  60  79 
total  1700  2000 
Question number: 358 (1 of 2 Based on Passage) Show Passage
Question
The total number of late departures of trains is
Choices
Choice (4)  Response  

a.  268  
b.  358  
c.  300  
d.  456 
Question number: 359 (2 of 2 Based on Passage) Show Passage
Question
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 number: 360
Question
The length of a rectangle is decreased by and its breadth is increased by . By what percent its area changed?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 361
» Fundamental Arithmetical Operations
Question
If (AB) is 15 more than (C + D) and (A + B) is 7 less than (CD), then (AC) is
Choices
Choice (4)  Response  

a.  7  
b.  3  
c.  4  
d.  8 
Question number: 362
» Geometry
Question
The diameter of the iron ball used for the shotput game is 32 cm. it is melted and then a solid cylinder of height is made. What will be the diameter of the base of cylinder?
Choices
Choice (4)  Response  

a. 
 
b.  25 cm  
c. 
 
d.  64 cm 