Question

If repetition of the digits is allowed, then the number of even natural numbers having three digits is :

A) 550 B) 450 C) 500 D) 540

Answer 1

Answer:

(B) 450 is the answer

Step-by-step explanation:

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Answer 2

The correct answer is option (B) 450.

Explanation:

• If repetition of the digits is allowed, then the number of even natural numbers having three digits is 450.
• An integer's parity is even if it is divisible by two with no remainders left and its parity is odd if it isn't; that is, its remainder is 1.
• In mathematics, the natural numbers are those numbers used for counting and ordering.
• In common mathematical terminology, words colloquially used for counting are "cardinal numbers", and words used for ordering are "ordinal numbers".