Four of the letters of the word PAINTBRUSH are selected at random. Find the number of different

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Four of the letters of the word PAINTBRUSH are selected at random.

Find the number of different combinations if

a. There is no restriction on the letters selected

b. The letter T must be selected.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 30, 2021 12:33 AM

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Four of the letters of the word PAINTBRUSH are selected at random. Find the number of different

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a To find the number of different combinations of four letters that can be s...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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