Select the number from among the given options that can replace the question mark (?) in the following series. 74, 74, 72, 24, ?, 4

Select the number from among the given options that can replace the question mark (?) in the following series. 74, 74, 72, 24, ?, 4
QuestionSelect the number from among the given options that can replace the question mark (?) in the following series. 74, 74, 72, 24, ?, 4
Typemultiple_choice
Option15incorrect
Option21incorrect
Option20correct
Option9incorrect
SolutionPattern: + 1, – 2, +3, – 4, + 5
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