How many distinct permutations are there in each word? 20. MOMMY 21. REARRANGE 22. MATHEMATICS 23. PROBABILITY 24. STATISTICS 25. PHILIPPINES

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20) $N=\frac{5!}{3!}=20.$

21) $N=\frac{9!}{3!2!2!}=15120.$

22) $N=\frac{11!}{2!2!2!}=4989600.$

23) $N=\frac{11!}{2!2!}=9979200.$

24) $N=\frac{10!}{3!3!2!}=50400.$

25) $N=\frac{11!}{3!3!}=1108800.$

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Question ID: mtid-5-stid-8-sqid-330-qpid-217