Question

How many four-digit numbers, each divisible by 4 can be formed using the digits 5, 6, 7, 8, 9, repetition of digits being allowed in any number? Select one:?

Answer 1

Answer:125

Step-by-step explanation:

• For a number to be divisible by 4, the last two digits of the number have to be divisible .
• 56, 76, 96, 68 or 88 are the 5 possibilities from the given digits.
• The first two digits of these numbers can be filled in 5 x 5 = 25 ways (numbers can be repeated).
• Hence, in total there are 25 x 5 = 125 such numbers.