1.

What number should replace the question mark? \[27,\,\,27,\,{{30}^{{\scriptstyle{}^{1}/{}_{4}}}},\,{{23}^{{\scriptstyle{}^{3}/{}_{4}}}},\,{{33}^{{\scriptstyle{}^{1}/{}_{2}}}},\,{{20}^{{\scriptstyle{}^{1}/{}_{2}}}},\,{{36}^{{\scriptstyle{}^{3}/{}_{4}}}},\,{{17}^{{\scriptstyle{}^{1}/{}_{4}}}},?\]

A. 30
B. 20
C. 40
D. 10
Answer» D. 10


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