Jill Darlington

1. Are these three-digit numbers you're looking at? Or are they maybe groups of single-digit numbers?

2. Find the missing numbers (X) in each group to solve this.

3. What do 2 and 6 have in common? Or 4 and 9? How are they different from 3, for example?

4. What do two and six have in common? Or four and nine? How are they different from three, for example?

5. This is a numbers-only keypad, but you may still need to think in terms of words and letters.

6. Specifically, the number of them.

7. The number of the letters of the number.

8. In the first group, the numbers are all three letters long.

9. They are four letters long in the second group.

10. And five letters long in the third group.

11. Look at the numbers from the keypad not already featured, and count their letters to see what group they belong to.

(SOLUTION FOLLOWS)

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12. The groups should be 126, 459, 378. Type 1578.