Online Mock Test 1: Number System

10 Questions | Total Attempts: 1377

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Number System Quizzes & Trivia

Questions and Answers
  • 1. 
    If both 112 and 33 are factors of the number a * 43 * 62 * 1311, then what is the smallest possible value of 'a'?
    • A. 

      121

    • B. 

      363

    • C. 

      3267

    • D. 

      33

  • 2. 
     Find the greatest number of five digits, which is exactly divisible by 7, 10, 15, 21 and 28.
    • A. 

      99840

    • B. 

      99960

    • C. 

      99900

    • D. 

      99990

  • 3. 
    1025 - 7 is divisible by
    • A. 

      9

    • B. 

      2

    • C. 

      3

    • D. 

      None of these

  • 4. 
    When a number is divided by 36, it leaves a remainder of 19. What will be the remainder when the number is divided by 12?
    • A. 

      10

    • B. 

      7

    • C. 

      192

    • D. 

      None of these

  • 5. 
     Find the G.C.D of 12x2y3z2, 18x3y2z4, and 24xy4z3
    • A. 
    • B. 
    • C. 
    • D. 
  • 6. 
     Let x, y and z be distinct integers. x and y are odd and positive, and z is even and positive. Which one of the following statements cannot be true?
    • A. 

       is even

    • B. 

       is odd

    • C. 

       is odd

    • D. 

       is even

  • 7. 
    What is the value of M and N respectively? If M39048458N is divisible by 8 & 11; Where M & N are single digit integers? 
    • A. 

      7, 8

    • B. 

      8, 6

    • C. 

      6, 4

    • D. 

      5, 4

  • 8. 
    48 students have to be seated such that each row has the same number of students as the others. If at least 3 students are to be seated per row and at least 2 rows have to be there, how many arrangements are possible?
    • A. 

      4

    • B. 

      10

    • C. 

      8

    • D. 

      7

  • 9. 
    The sum of the first 100 numbers, 1 to 100 is divisible by
    • A. 

      2, 4 and 8

    • B. 

      2 and 4

    • C. 

      2 only

    • D. 

      None of these

  • 10. 
    Anita had to do a multiplication. Instead of taking 35 as one of the multipliers, she took 53. As a result, the product went up by 540. What is the new product? 
    • A. 

      1050

    • B. 

      540

    • C. 

      1440

    • D. 

      1590