What should come in place of the question mark (?) in the following number series? 5 ? 4 7.5 17 45
What should come in place of the question mark (?) in the following number series?
5 ? 4 7.5 17 45
(a) 3.5 (b) 3 (c) 2.5 (d) 2 (e) None of these
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