A four-digit number is formed using four of the eight digits 1, 2, 3, 4, 5, 6,
Question:
A four-digit number is formed using four of the eight digits 1, 2, 3, 4, 5, 6, 7 and 8. No digit can be used more than once.
Find how many different four-digit numbers can be formed if
a. There are no restrictions
b. The numbers is odd
c. The number is greater than 6000
d. The numbers id odd and greater than 6000.
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A If there are no restrictions then the total number of fourdigit numbers that can be for...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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