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It is possible to select 15 children from a school with 2015 children in N different ways. What is the last digit of N?

 Nov 26, 2019

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 #1
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2015 C 15 = 26603632 2903188025 9499308403 0871458651

 Nov 26, 2019
 #1
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Best Answer

2015 C 15 = 26603632 2903188025 9499308403 0871458651

Guest Nov 26, 2019
 #2
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Guest is right. So the last digit is 1.

 Nov 26, 2019

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