A test consists of 10 different questions. 4 of the questions are on trigonometry and 6 questions

Question:

A test consists of 10 different questions.

4 of the questions are on trigonometry and 6 questions are on algebra.

Students are asked to answer 8 questions.

a. Find the number of ways in which students can select 8 questions if there are no restrictions.

b. Find the number of these selections which contain at least 4 algebra questions.

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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 31, 2021 01:08 AM

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A test consists of 10 different questions. 4 of the questions are on trigonometry and 6 questions

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a To find the number of ways in which students can select 8 questions from 10 questions we can use t...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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