2012 · Q6
Find the odd one out:
general-mental-abilityodd-one-out
- A31
- B41
- C51
- D61
Explanation
51 = 3 x 17 is composite, while 31, 41 and 61 are all prime numbers.
Find the odd one out:
Explanation
51 = 3 x 17 is composite, while 31, 41 and 61 are all prime numbers.