Question

-21, -18, -15, ... , ... , ... , ... The next numbers in the series is​

Answer 1

Answer:

–12

Step-by-step explanation:

In the series.

-21,-18,-15 ..

common difference is -21 - (-18)= -21+18= -3

:. common difference is -3.

hence, -15-3 = -18

:. -15+ 3 = -12.

-12 is the next no. in series