NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics: Questions 67  75 of 425
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Question number: 67
» Geometry
Question
If the length of rectangle is increased in the ratio 6: 7 and its breadth is diminished in the ratio 5: 4 then its area will be diminished in the ratio
Choices
Choice (4)  Response  

a.  8: 7  
b.  9: 8  
c.  15: 14  
d.  17: 16 
Question number: 68
Question
A policeman, while arranging the people, who were 4000 in number, in the form of a square, found that there were 31 people left over. How many were arranged in each row?
Choices
Choice (4)  Response  

a.  63  
b.  92  
c.  56  
d.  87 
Question number: 69
» Surds
Question
The square root of
Choices
Choice (4)  Response  

a.  2  
b.  25  
c.  5  
d.  4 
Question number: 70
» Algebra
Question
If , then the value of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 71
Question
Find the missing number for below series
Choices
Choice (4)  Response  

a.  356  
b.  185  
c.  82  
d.  584 
Question number: 72
» Algebra
Question
then is equal to
Choices
Choice (4)  Response  

a.  1  
b.  3  
c.  0  
d.  2 
Question number: 73
Question
Calculate the sum of the series
Choices
Choice (4)  Response  

a.  8.245991  
b.  7.04811971  
c.  6.74897119  
d.  All of the above 
Question number: 74
Question
Find the missing number for below series
122,62,32, ? , 9.5,5.75
Choices
Choice (4)  Response  

a.  19  
b.  20.25  
c.  17  
d.  24 
Question number: 75
» Algebra
Question
then is equal to
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  0  
d.  16 