Mathematics Numbers

3 Questions

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Mathematics Quizzes & Trivia

Number system based questions for cat xat gmat gre sat bank po etc


Questions and Answers
  • 1. 
    If P and Q are 2 distinct prime numbers, find the number of factors of P3.Q2
    • A. 

      6

    • B. 

      8

    • C. 

      9

    • D. 

      12

  • 2. 
    In how many ways can 30 be expressed as a product of 2 co-prime numbers?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 3. 
    For any 2 natural numbers x and y, if 2x/y is a prime number, then which of the following must be true:
    • A. 

      X=y

    • B. 

      Y=1

    • C. 

      Both x and y are prime

    • D. 

      None of the above