Question

16,36,64, what is the next number

Answer 1

$as \: we \: see \\ \\ 16 = 4 \times 4 \\ \\ 36 = 6 \times 6 \\ \\ 64 = 8 \times 8 \\ \\ similarly \\ \\ 100 = 10 \times 10 \\ \\ hope \: this \: helps \: you$
(^^)✌

Answer 2

100 is the answer...
because..
4 x 4 = 16
6 x 6 = 36
8 x 8 = 64
so next is
10 x 10 = 100