4/9, 9/20, ?, 39/86

Find the missing number in the following series at (?)-
4/9, 9/20, ?, 39/86
(a) 17/40
(b) 19/42
(c) 20/45
(d) 29/153

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  • 1 Answer(s)

    Answer: (b) (b) 19/42

    Anurag Mishra Professor Answered on 9th June 2016.
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