Given the numbers

MATHEMATICS · Single correct · CBSE · Mathematics · Number Systems · Number Systems

Problem

Given the numbers 7,  0.625,  3.6‾,  121,  0.1010010001…\sqrt{7},\;0.625,\;3.\overline{6},\;\sqrt{121},\;0.1010010001\dots, how many of them are irrational? (a) 44 (b) 22 (c) 11 (d) 33

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