Railways Quantitative Aptitude Number System and its Operations Sample Paper

done Number System Sample Test Paper-1 Total Questions - 20    [Download]

• question_answer1)
  \[1.236\times {{10}^{15}}-5.23\times {{10}^{14}}\] is equal to:
  A)
  \[7.13\times {{10}^{14}}\]
  done clear
  B)
   \[7.13\times {{10}^{15}}\]
  done clear
  C)
  \[71.3\times {{10}^{14}}\]       
  done clear
  D)
   \[-3.994\]
  done clear
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• question_answer2)
  If \[\sqrt{5}=2.236,\] then the value of \[\frac{\sqrt{5}}{2}-\frac{10}{\sqrt{5}}+\sqrt{125}\] is equal to:
  A)
   7.826  
  done clear
  B)
   8.944    
  done clear
  C)
   5.59                
  done clear
  D)
   10.062
  done clear
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• question_answer3)
  The unit's digit in the product \[{{7}^{35}}\times {{3}^{71}}\times {{11}^{55}}\] is:
  A)
   1                    
  done clear
  B)
   3       
  done clear
  C)
   7                    
  done clear
  D)
   9
  done clear
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• question_answer4)
  What is the missing figure in the expression given below? \[\frac{16}{1}\times \frac{16}{7}-\frac{*}{7}\times \frac{9}{7}+\frac{9}{7}\times \frac{9}{7}=1\]
  A)
   1        
  done clear
  B)
   7         
  done clear
  C)
   4.57                
  done clear
  D)
   32
  done clear
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• question_answer5)
  \[{{9}^{6}}+7,\] when divided by 8, would have a remainder:
  A)
   0        
  done clear
  B)
   6
  done clear
  C)
   5                    
  done clear
  D)
   None of these
  done clear
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• question_answer6)
  Taking \[\sqrt{2}=1.414,\] \[\sqrt{3}=1.732,\] \[\sqrt{5}=2.236,\] and \[\sqrt{6}=2.449,\] find the value of \[\frac{9+\sqrt{2}}{\sqrt{5}+\sqrt{3}}+\frac{6-\sqrt{2}}{\sqrt{5}-\sqrt{3}}\] to the three places of decimal.
  A)
   9.2321  
  done clear
  B)
   13.716   
  done clear
  C)
   11.723
  done clear
  D)
   15.892
  done clear
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• question_answer7)
  The sum of the digits of a 3 digit number is subtracted from the number. The resulting number is always:
  A)
   Divisible by 7   
  done clear
  B)
   Not divisible by 7
  done clear
  C)
   Divisible by 9
  done clear
  D)
   Not divisible by 9
  done clear
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• question_answer8)
  Rs. 6500 were divided equally among a certain number of persons. Had there been 15 more persons each would have got Rs. 30 less. Find the original number of persons.
  A)
   45                   
  done clear
  B)
   50      
  done clear
  C)
   55                   
  done clear
  D)
   48
  done clear
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• question_answer9)
  If 11, 109, 999 is divided by 1111, then what is the remainder?
  A)
   1098   
  done clear
  B)
   11888   
  done clear
  C)
   1010               
  done clear
  D)
   1110
  done clear
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• question_answer10)
  Find the whole number which when increased by 20 is equal to 69 times the reciprocal of the number:
  A)
   7
  done clear
  B)
                      5        
  done clear
  C)
   3                    
  done clear
  D)
   2.5
  done clear
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• question_answer11)
  The sum of the place values of 3 in the numbers 50, 35 and 35 is
  A)
   3300   
  done clear
  B)
   6       
  done clear
  C)
   60                   
  done clear
  D)
   3030
  done clear
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• question_answer12)
  The number of two digit numbers exactly divisible by 3 is
  A)
   33                   
  done clear
  B)
   32      
  done clear
  C)
   31                   
  done clear
  D)
   30
  done clear
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• question_answer13)
  Two times a two-digit number is 9 times the number obtained by reversing the digits and sum of the digits is 9. The number is
  A)
   72                   
  done clear
  B)
   54      
  done clear
  C)
   63                   
  done clear
  D)
   81
  done clear
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• question_answer14)
  A six digit number is formed by repeating a three digit number. For example 245245. Any number of this form is always divisible by
  A)
   7                    
  done clear
  B)
   11
  done clear
  C)
   13                   
  done clear
  D)
   All of the above
  done clear
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• question_answer15)
  What is the digit in the hundred place in the product of first 45 even natural numbers
  A)
   6                    
  done clear
  B)
   5       
  done clear
  C)
   4                    
  done clear
  D)
   0
  done clear
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• question_answer16)
  The unit digit of \[({{7}^{95}}-{{3}^{58}})\] is
  A)
   Cube of 2        
  done clear
  B)
          Lies between 6 and 10
  done clear
  C)
   6                    
  done clear
  D)
   Lies between 3 and 6
  done clear
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• question_answer17)
  Unit place digit in the product of first 40 odd natural number is
  A)
   6        
  done clear
  B)
          0       
  done clear
  C)
   5                    
  done clear
  D)
   8
  done clear
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• question_answer18)
  The sum of two numbers is 90 and the greater number exceeds thrice the smaller number by 14. The number is
  A)
   18, 72 
  done clear
  B)
   19, 71   
  done clear
  C)
   20, 70 
  done clear
  D)
   15, 75
  done clear
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• question_answer19)
  Two numbers are in the ratio 5: 3. If they differ by 18, then numbers are
  A)
   45, 27 
  done clear
  B)
   25, 15
  done clear
  C)
   35, 21 
  done clear
  D)
   65, 39
  done clear
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• question_answer20)
  The sum of three consecutive multiples of 8 is 888, then multiples are
  A)
   160, 168, 176
  done clear
  B)
   288, 296, 304
  done clear
  C)
   320, 328, 336
  done clear
  D)
   264, 272, 280.
  done clear
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