Question

Find the odd one out.

144, 625, 28, 36 

• A. 144
• B. 625
• C. 28
• D. 36

Answer 1

Answer:

C. 28

The odd one out is 28.

• 144, 625, and 36 are all perfect squares:

  • $12 \times 12 = 144$

  • $25 \times 25 = 625$

  • $6 \times 6 = 36$

• 28 is not a perfect square.