Q Find the greatest value of x, if 58! is divisible by 10x.Ans For a number to be multiple of 10, we need 2 and 5.Number of zeroes in a factorial = floor(x/5) + floor(x/25)+...
Since the number is less than 125, which is next power of 5.
Number of 0s in 58! = floor(58/5) +floor(58/25) = 11 + 2 =13Q Delhi University has started a new course in...
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Q Find the greatest value of x, if 58! is divisible by 10 x . Ans For a number to be multiple of 10, we need 2 and 5. Number of zeroes in a...
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