Question

If the number
${2}^{2} \times {5}^{4} \times {4}^{6} \times {10}^{8} \times {6}^{10} \times {15}^{12} \times {8}^{14} \times {20}^{16} \times {10}^{18} \times {25}^{20}$

is divisible by
${10}^{n}$
, then which one of
the following is the maximum value
of n?
(a) 78
(b) 85
(c) 89
(d) 98​

Answer 1

Answer:

of which class it is first tell this then I solve your query ok