If repetition of the digits is allowed, then find the number of even natural numbers having three digits.
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Answer:
450
Step-by-step explanation:
In a 3 digit number one’s place can be filled in 5 different ways with (0, 2, 4, 6, 8)
10’s place can be filled in 10 different ways
100’s place can be filled in 9 different ways
There fore total number of ways = 5 x 10 x 9 = 450
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