Others Maths Puzzle

if any one knows any simple trick to solve this question ..plz tell me.solve it without using calci...
(27/9)^2*((399/39) /(41/899))

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Others Other Question

What is the number of zeros at the end of the product of the numbers from 1 to 100? If M person go to hotel and spend Rs.D in equal amount. If 3 person dont have money ,then remaining person contripute that amount as quual sharing . How many rs. each person pay extra?