Question 43

Select the number from among the given options that can replace the question mark (?) in the following series.
21, 23, 20, 22, 19, 21, ?

21+2 = 23

23-3 = 20

20+2 = 22

22-3 = 19

19+2 = 21

21-3 = 18

Here 18 will come in place of the question mark.

Create a FREE account and get:

  • Free SSC Study Material - 18000 Questions
  • 230+ SSC previous papers with solutions PDF
  • 100+ SSC Online Tests for Free