Write all possible 2 digit
numbers using the digits 4,0 and 9. Repetition of digits is not allowed. Also find their sum
Answers
Answer:
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Answer:
The given digits are 0,4,9 and repetition of digits is not allowed.
Out of the given digits, the possible ways of choosing the two digits are
4,0;4,9;9,0
Using the digits 4 and 0, the number are 40.
Using the digits 4 and 9, the numbers are 49 and 94.
Similarly,Using the digits 9 and 0, the numbers are 90
Hence, all possible 2-digit numbers are 40,49,90,94
∴ Sum of above numbers =40+49+90+94=273