Question 24
Select the number that can replace the question mark (?) in the following series.
62, 66, 74, 90, ?
Solution
62 + 4 $$\times$$ 1 = 62 + 4 = 66
66 + 4 $$\times$$ 2 = 66 + 8 = 74
74 + 8 $$\times$$ 2 = 74 + 16 = 90
90 + 16 $$\times$$ 2 = 90 + 32 = 122
$$\therefore$$ The correct naswer is option D.
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