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A four-digit number is "lucky" if its digits add up to 6 and no digit is 0. Find all ten "lucky" numbers?

+1 vote
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A four-digit number is "lucky" if its digits add up to 6 and no digit is 0. Find all ten "lucky" numbers?
posted Feb 6, 2018 by anonymous

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2 Answers

+1 vote

1113, 1131, 1311, 3111, 1122,1212, 1221, 2112, 2121, 2211

answer Feb 6, 2018 by Yasin Hossain Siinan
0 votes

1113 ، 3111
1122 ، 2211
1131 ، 1311
1212 ، 2121
1221
2112

answer Feb 6, 2018 by Ahmed Kassem



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