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Algebra Level 1

What is the sum of the least and the greatest 5- digit numbers that can be obtained using the digits 6 , 4 , 7 , 9 , 5 6, 4, 7, 9, 5 only once?


The answer is 143333.

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Anuj Shikarkhane by Anuj Shikarkhane , 19, India

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2 solutions

David Ng
Oct 18, 2014

The smallest 5 digit number formed is the digits in ascending order: 45679. The largest 5 digit number is the digits in descending order: 97654. Add them both, and you get 143333.

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for my grand children how to remember tables from 1 to 16

Thiagarajan Ramaraju - 6 years, 6 months ago
Sualeh Asif
Oct 18, 2014

The smallest 5 digit number has the numbers in ascending order i.e. 45679 The largest 5 digit number has the numbers in descending order i.e. 97654 Therefore the sum will be: 45679+97654 =143333

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