Fundamental Arithmetical Operations [NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics]: Questions 1  9 of 43
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Question number: 1
» Fundamental Arithmetical Operations
Question
is equal to
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Fundamental Arithmetical Operations
Question
The sum of all the digits of the numbers from 1 to 75 is
Choices
Choice (4)  Response  

a.  750  
b.  2850  
c.  3570  
d.  7500 
Question number: 3
» Fundamental Arithmetical Operations
Question
The sum of all the digits of the numbers from 1 to 100 is
Choices
Choice (4)  Response  

a.  5050  
b.  903  
c.  900  
d.  901 
Question number: 4
» 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: 5
» Fundamental Arithmetical Operations
Question
The sum of all the digits of the numbers from 1 to 250 is
Choices
Choice (4)  Response  

a.  25,100  
b.  30,500  
c.  31,375  
d.  2510 
Question number: 6
» Fundamental Arithmetical Operations
Question
The subtraction and product of two numbers are 8 and 19 respectively. The subtraction of their reciprocal will be
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 7
» Fundamental Arithmetical Operations
Question
The sum and product of two numbers are 12 and 35 respectively. The sum of their reciprocal will be
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 8
» Fundamental Arithmetical Operations
Question
The value of correct to 3 places of decimals is
Choices
Choice (4)  Response  

a.  1.441  
b.  1.237  
c.  1.732  
d.  1.141 
Question number: 9
» Fundamental Arithmetical Operations
Question
The ratio of two numbers is and their LCM is 80. The sum of the two numbers is
Choices
Choice (4)  Response  

a.  26  
b.  28  
c.  36  
d.  24 