1.

A ten-digit number containing each distinct digit only once. The ten-digit number is divisible by 10. If the last digit is eliminated, the remaining number is divisible by 9. If the last 2 digits are eliminated, the remaining number is divisible by 8. If the last three digits are eliminated, the remaining number is divisible by 7. And so on. Find the number.

Answer»

1234567890
2436517890
1832547690
3816547290

Answer :D


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