Select the number that can replace the question mark (?) in the following series. 15, 18, 13, 20, 11, ?

Select the number that can replace the question mark (?) in the following series. 15, 18, 13, 20, 11, ?
QuestionSelect the number that can replace the question mark (?) in the following series. 15, 18, 13, 20, 11, ?
Typemultiple_choice
Option23incorrect
Option20incorrect
Option22correct
Option25incorrect

Solution:

ssc reasoning
GkSeries Editor:
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