Question

Choose the number which is different from the rest.

• A. 473
• B. 495
• C. 671
• D. 751

Answer 1

Answer:

D. 751

473 → 4 + 3 = 7 (Middle digit is sum of other two numbers) 495 → 4 + 5 = 9 (Middle digit is sum of other two numbers) 671 → 6 + 1 = 7 (Middle digit is sum of other two numbers)