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Factorials, Trailing Zeros || Quantitative Aptitude || CAT 2021 || 9 April
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Question 1
With what least number should 36! be divided by so that the quotient is not an even number ?
Question 2
What is the greatest positive integer such that is a factor of ?
Question 3
If the highest power of 4 is 4 in x! and the highest power of 6 is 6 in y!, then for how many pairs of values of x and y, will will also be an integer?
Question 4
Find the number of zeros at the end in the given expression:
2 × 4 × 8 × 10 × 12 × 14 × 16 × --------- × 98.
Question 5
Find the number of zeroes at the expression
Question 6
Find the number of zeroes at the end of the expansion of 1098!
Question 7
Find the number of zeroes at the end of 10 + 100 + 1000 +............+ 100000000:
Question 8
Find the number of zeroes at the end of the product of 100! × 200!
Question 9
Find the number of zeroes at the end of the product 11! × 22! × 33! × 44! ……×1010!
Question 10
Find the number of zeroes at the end of the product
(3123- 3122- 3121) (2121- 2120-2119)
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