GMAT Question of the Day: Number Theory

Q is a prime number bigger than 10. What is the smallest positive number (except 1) that 3Q can be divided by equally?

a) 3Q.
b) Q
c) 3
d) Q+3
e) 2Q

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  1. JR says:

    Ans: C

    Since Q is prime, the multiples are 1 and Q (Which is > 10)

    Hence 3*Q will be divisible by 1,3, Q.

    Hence the answer.

  2. V Pat says:

    Ans: C

  3. Lavakumar says:

    Ans: C

  4. nidhish says:

    the answer is c

  5. nidhi soni says:

    its c

  6. Nik says:

    and the answer is C

  7. Amishe800 says:

    its C

  8. love says:

    suppose , this question carries 50 marks out of 800 … yeah

  9. Nishesh says:

    Undoubtedly C

  10. Manvir says:

    It is C

  11. Raghu says:

    “C”

  12. Vineet Das says:

    We need more challenging question than this one :)

  13. deepak says:

    I will with option C)3

  14. Pratik says:

    It’s undoubtedly C

  15. Binita says:

    yes its C :)

  16. deepak says:

    I wud go with option C

  17. kingfisher says:

    C

  18. Brittany says:

    C…i felt this one was too easy.

  19. Ronak says:

    Easy 1 ….C

  20. moloy says:

    divided equally i presume no remainder,so number 3Q will be divided by,1,3,Q,so ansis C

  21. Nitin Sharma says:

    C

  22. adutta24 says:

    C

  23. dp says:

    option c

  24. ismitevijay says:

    c:

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