NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics: Questions 348  355 of 425
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Question number: 348
» Fundamental Arithmetical Operations
Question
Given the value of is (Paper1)
Choices
Choice (4)  Response  

a.  20.590  
b.  20.059  
c.  20.905  
d.  20.509 
Passage
The table given below shows survey carried out at New Delhi Railway Station for the arrivals/departures of trains for the month of January 2011. Study the table and answer the following questions:
Delay (in min. )  Number of arrivals  Numbers of departures 
0  1200  1412 
0  30  159  160 
30  60  38  54 
Over 60  15  18 
total  1412  1644 
Question number: 349 (1 of 2 Based on Passage) Show Passage
Question
The total number of late arrivals of trains is
Choices
Choice (4)  Response  

a.  100  
b.  95  
c.  150  
d.  90 
Question number: 350 (2 of 2 Based on Passage) Show Passage
Question
The percentage of number of trains arriving late at the station is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 351
» Geometry
Question
A cistern 2 m long and 3 m wide, contains water up to a depth of 4 m. the total area of the wet surface is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 352
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: 353
» Geometry
Question
A cistern 7 m long and 3 m wide, contains water up to a depth of 12 m. the total area of the wet surface is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 354
» Geometry
Question
A cistern 4 m long and 6 m wide, contains water up to a depth of 8 m. the total area of the wet surface is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 355
Question
A man travels a distance of 20 km at 4 km/hr another distance of 20 km at 5 km/hr and a third distance of 20 km at 10 km/hr. his average speed for the whole journey (in km/hr) is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
