NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics: Questions 27  35 of 425
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Question number: 27
» Fundamental Arithmetical Operations
Question
The sum and product of two numbers are 5 and 21 respectively. The sum of their reciprocal will be
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 28
» Geometry
Question
If the length of rectangle is diminished in the ratio 8: 7 and its breadth is increased in the ratio 5: 6 then its area will be increased in the ratio
Choices
Choice (4)  Response  

a.  7: 8  
b.  20: 21  
c.  14: 15  
d.  6: 5 
Question number: 29
» Algebra
Question
If , then a is equal to
Choices
Choice (4)  Response  

a.  2  
b. 
 
c.  3  
d. 

Question number: 30
» Algebra
Question
then is equal to
Choices
Choice (4)  Response  

a.  76  
b.  55  
c.  0  
d.  21 
Question number: 31
Question
Find the missing number for below series
Choices
Choice (4)  Response  

a.  954  
b.  1001  
c.  1024  
d.  892 
Question number: 32
Question
is equal to
Choices
Choice (4)  Response  

a.  0.037  
b.  0.027  
c.  0.729  
d.  0.009 
Question number: 33
» Geometry
Question
If the length of rectangle is increased in the ratio 2: 3 and its breadth is reduced in the ratio 7: 2 then its area will be reduced in the ratio
Choices
Choice (4)  Response  

a.  10: 7  
b.  21: 4  
c.  7: 6  
d.  7: 3 
Question number: 34
Question
Find the missing number for below series
Choices
Choice (4)  Response  

a.  153  
b.  196  
c.  186  
d.  169 
Question number: 35
Question
What should come in place of the question mark (? ) in the following number series?
Choices
Choice (4)  Response  

a.  0.33  
b.  3.33  
c.  3  
d.  0.3 