Question

Find out the pair of numbers that do not belong to the group for lack of common property.

• A. 7 – 63
• B. 8 – 80
• C. 18 – 54
• D. 9 – 70

Answer 1

Answer:

D. 9 – 70

7 – 63 → 7 × 9 = 63 8 – 80 → 8 × 10 = 80 18 – 54 → 18 × 3 = 54 But 9 – 70, 70 is not a multiple of 9.