2. Sample Papers
  3. Railways
  4. Quantitative Aptitude
  5. Number System and its Operations

Railways Quantitative Aptitude Number System and its Operations Sample Paper Number System Sample Test Paper-1

  • question_answer
    The sum of two numbers is 90 and the greater number exceeds thrice the smaller number by 14. The number is

    A)  18, 72 

    B)  19, 71   

    C)  20, 70 

    D)  15, 75

    Correct Answer: B

    Solution :

    [b] Let greater number = x smaller number = y \[\therefore \] x + y = 90                         ?. (1) and \[x-3y=14\]                         ?. (2) By equation (1) + (2) x = 71, y = 19 \[\therefore \] Smaller number = 19 Greater number = 71


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