Question

Which of the following numbers are divisible by 4 or 8? a) 67894 b) 9685048

Answer 1

Answer: b) us divisible by 4 & 8

Step-by-step explanation:

Last 2 digit should be taken to make sure thath the number is divisible by 4.

So, 48 ÷4 =12

Last 3 digit should be taken to make sure thath the number is divisible by 8.

So,048=48÷8=6

Answer 2

Concept:

In arithmetic, divisibility rules are a collection of precise rules that apply to a number to determine whether it is divisible by a specified number or not.

Given:

The numbers $67894$ and $9685048$.

Find:

Whether the given numbers is divisible by $4$ and $8$.

Solution:

(a) The last two digits of the given number $67894$ is $94$.

The number $94$ is not divisible by $4$.

The last three digits of the number $67894$ is $894$.

The number $894$ is not divisible by $8$.

Hence, the number $67894$ is not divisible by $4$ and $8$.

(b) The last two digits of the given number $9685048$ is $48$.

The number $48$ is divisible by $4$.

The last three digits of the number $9685048$ is $048$.

The number $048$ is divisible by $8$.

Hence, the number $9685048$ is divisible by $4$ and $8$.