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.

2. V Pat says:

Ans: C

3. yeah.

4. Lavakumar says:

Ans: C

5. AP says:

c

6. nidhish says:

7. nidhi soni says:

its c

8. Nik says:

9. Amishe800 says:

its C

10. robin says:

C

11. love says:

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

12. Nishesh says:

Undoubtedly C

13. Manvir says:

It is C

14. Raghu says:

“C”

15. Vineet Das says:

We need more challenging question than this one

16. deepak says:

I will with option C)3

17. Pratik says:

It’s undoubtedly C

18. amit says:

C

19. Binita says:

yes its C

20. deepak says:

I wud go with option C

21. Ramya says:

c

22. kingfisher says:

C

23. Brittany says:

C…i felt this one was too easy.

24. Ronak says:

Easy 1 ….C

C

26. Rupak says:

C

27. San says:

Its C

28. moloy says:

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

29. GOmba says:

C

30. Kofi DL says:

C

31. Nitin Sharma says:

C

C

33. dp says:

option c

34. ismitevijay says:

c:

35. aryan says:

C