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Ok boss .

Try solving this

$1×2×3×...×2018$ has $N$ trailing zeroes. What is the last $3$ digits of $N$?

$1×2×3×...×2018$ এর শেষে $N$টি শূন্য আছে। $N$ এর শেষ তিন অংক বের কর।

Note:- Trailing zeroes means number are zeroes at last of any number . Example :- 10 has 1 trailing zeroes. 2000100 has 2 trailing zeroes. 1020304 has 0 trailing zeroes