Question

Number of $2$ digit even numbers that can be formed using the digits $1,2,3,4,5,$ if the digits can be repeated is

• A. $25$
• B. $15$
• C. $10$
• D. $6$

Answer 1

The correct option is C $10$

$\because$ the required number should be an even number
So units place will be either $2$ or $4$
and now tens place can take any value among the given numbers as the digits can be repeated.
Therefore total number of possible two digit number is = $2\times 5$=$10$