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Q.2. How many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 if the digits can be repeated?
Answers (1)
The six digits are 1, 2, 3, 4 ,5 and 6
As we know that repetition of the digits is allowed,
so, the unit place can be filled by any of even digits i.e.2,4 or 6
Similarly, tens and hundreds of digits can also be filled by any of six digits.
Number of 3-digit even numbers can be formed
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