Q21. How many distinct words can be formed by arranging all the letters of the word 'IRRATIONAL'?Mathematics — NUST Mock By IBAGRADS 4 — Question 21 of 200A. 10! / (2!)3B. 10! / (2!)2C. 10! / 2!D. 10!Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →