Question

Three of the following four number-pairs are alike in a certain way and one is different. Find the odd one out.

• A. 78 : 13
• B. 18 : 9
• C. 34 : 7
• D. 56 : 11

Answer 1

Answer:

A. 78 : 13

1) 78 : 13 → 7 + 8 = 15 ≠ 13 2) 18 : 9 → 1 + 8 = 9 3) 34 : 7 → 3 + 4 = 7 4) 56 : 11 → 5 + 6 = 11