Numbers which follow each other in order, without gaps, from smallest to largest.

12, 13, 14 and 15 are consecutive numbers.

22, 24, 26, 28 and 30 are consecutive

40, 45, 50 and 55 are consecutive

12, 13, 14 and 15 are consecutive numbers.

22, 24, 26, 28 and 30 are consecutive

**even numbers**.40, 45, 50 and 55 are consecutive

**multiples of 5**.
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