Question

Number of four-digit numbers that can be formed from the digits 1, 2, 3, 4, 5 (with possible repetition) that are divisible by 4, is

• A. 30
• B. 125
• C. 156
• D. 256

Answer 1

Answer: (B)

$\text{ Digits }1,2,3,4,5$
4 digit $\times \times \times \times$
Last two places can be $12,24,32,44,52$
$\therefore$ Required number $=(5)\cdot (5{)}^2=125$