1.

In the following series of numbers, howmany 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ??_x005F_x000D_ 2  9  7  3  1  7  3  7  7  1  3  3  1  7  3  8  5  7  1  3  7  7  1  7  3  9  0  6

A. 4
B. 5
C. 3
D. More than 5
Answer» D. More than 5


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