Question

In the following question, select the odd number pair from the given alternatives.

• A. 11 – 121
• B. 13 – 169
• C. 19 – 391
• D. 21 – 441

Answer 1

Answer:

C. 19 – 391

112=121

132=169

192=361 ≠391 (Differ)

212=441

Hence Option (C) is Odd one.