Select the number from among the given options that can replace the question mark (?) in the following series. 68, 3, 63, 3, 57, 9, 50, 15, 42, 33, 33, ?

QuestionSelect the number from among the given options that can replace the question mark (?) in the following series. 68, 3, 63, 3, 57, 9, 50, 15, 42, 33, 33, ?
Typemultiple_choice
Option63correct
Option66incorrect
Option33incorrect
Option36incorrect
Solution68 – 5 = 63
63 – 6 = 57
57 – 7 = 50
50 – 8 = 42
42 – 9 = 33
Now, 3 × 2 – 3 = 3
3 × 2 + 3 = 9
9 × 2 – 3 = 15
15 × 2 + 3 = 33
33 × 2 – 3 = 63
68, 3, 63, 3, 57, 9, 50, 15, 42, 33, 33, 63.

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