Three of the following four options are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? (Operations...
Question
Three of the following four options are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? (Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
- 26 – 95 – 21
- 22 – 67 – 22
- 20 – 15 – 51
- 16 – 45 – 21