Factorials — XAT Previous-Year Questions
1 previous-year question on Factorials from XAT, with full solutions. Practise free — check answers as you go; sign in to save your progress.
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Factorials · XAT PYQs
XAT 2015 · QA & DI
Q1.
If the last 6 digits of [(M)! – (N)!] are 999000, which of the following option is not possible for (M) × (M – N)?
Both (M) and (N) are positive integers and M > N. (M)! is factorial M.