CAT Questions | CAT Number System Questions

CAT Quantitative Aptitude | CAT Number theory: Factors problems

A CAT Number theory question that appears in the Quantitative Aptitude section of the CAT Exam broadly tests an aspirant on the concepts - Factors, Factorials, HCF and LCM, base system & remainders of the above mentioned concepts. In CAT Exam, one can generally expect to get 1 question from CAT Number Systems involving Factors.CAT Quantitiative Aptitude questions from Factors involve ideas like Sum of Factors, Odd factors, Even Factors and so on. CAT Number Systems is an important topic with lots of weightage in the CAT Exam. Make use of 2IIMs Free CAT Questions, provided with detailed solutions and Video explanations to obtain a wonderful CAT score. If you would like to take these questions as a Quiz, head on here to take these questions in a test format, absolutely free.

  1. CAT Number Systems - Factors

    The sum of the factors of a number is 124. What is the number?

    1. Number lies between 40 and 50
    2. Number lies between 50 and 60
    3. Number lies between 60 and 80
    4. More than one such number exists
    Choice D
    More than one such number exists.

  2. CAT Number Systems - Factors

    How many factors of 1080 are perfect squares?

    1. 4
    2. 6
    3. 8
    4. 5
    Choice A
    4

  3. CAT Number Systems - Factors

    How many factors of 25 * 36 * 52 are perfect squares?

    1. 18
    2. 24
    3. 36
    4. 8
    Choice B
    24

  4. CAT Number Systems - Odd Factors

    How many factors of 24 * 53 * 74 are odd numbers?

    1. 100
    2. 99
    3. 20
    4. 24
    Choice C
    20

  5. CAT Number Systems - Factors

    How many factors of the number 28 * 36 * 54 * 105 are multiples of 120?

    1. 540
    2. 660
    3. 594
    4. 792
    Choice C
    594

  6. CAT Number Systems - Even Factors

    Number N = 26 * 55 * 76 * 107; how many factors of N are even numbers?

    1. 1183
    2. 1200
    3. 1050
    4. 840
    Choice A
    1183

  7. CAT Number Systems - Perfect Cube

    Numbers A, B, C and D have 16, 28, 30 and 27 factors. Which of these could be a perfect cube?

    1. A and B
    2. B and C
    3. A, B and C
    4. B and D
    Choice A
    A and B

  8. CAT Number Theory 'abcabc'

    If a three digit number ‘abc’ has 3 factors, how many factors does the 6-digit number ‘abcabc’ have?

    1. 16 factors
    2. 24 factors
    3. 16 or 24 factors
    4. 20 factors
    Choice C
    16 or 24 factors

  9. CAT Number Systems - Brute Force

    How many numbers are there less than 100 that cannot be written as a multiple of a perfect square greater than 1?

    1. 61
    2. 56
    3. 52
    4. 65
    Choice A
    61

  10. CAT Number Systems - 18 factors

    Find the smallest number that has exactly 18 factors.

    1. 180
    2. 216
    3. 240
    4. None of these
    Choice A
    180

  11. CAT Number Systems - Factors

    A number N2 has 15 factors. How many factors can N have?

    1. 5 or 7 factors
    2. 6 or 8 factors
    3. 4 or 6 factors
    4. 9 or 8 factors
    Choice B
    6 or 8 factors

  12. CAT Number Theory 'abcabc'

    If a three digit number ‘abc’ has 2 factors (where a, b, c are digits), how many factors does the 6-digit number ‘abcabc’ have?

    1. 16
    2. 24
    3. 18
    4. 30
    Choice A
    16

  13. CAT Number Systems - 12 Factors

    What is the smallest number that has exactly 12 factors?

    1. 211
    2. 60
    3. 120
    4. 144
    Choice B
    60

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