Infosys Company Numerical Ability Number System

The number of zeros at the end of the product of all prime numbers between 1 and 1111 is?

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Infosys Other Question

A train goes from stations A to B. One day there is a technical problem at the very beginning of the journey & hence the train travels at 3/5 of it's original speed and so it arrives 2 hours late. Had the problem occured after 50 miles had been covered, the train would have arrived 40 min earlier(i.e., only 120-40 = 80 min late). What is the distance between the 2 stations? b,_,d,d,e,d,f,g,d?