Question

A 4 digit number using 2,3,4 and 5 only once divisible by 4

Answer 1

Answer:

3524,5324;

4532,5432;

3452,4352;

Step-by-step explanation:

divisibility rule for 4 is

last two digits of a number should be divisible by 4

last two digits are 23,24,25;

                             32,34,35;

                             42,43,45;

                             52,53,54.

In these numbers divisible by 4 are

24,32,52

by using these numbers as last two digits

24 ---> 3524,5324;

32 ---> 4532,5432;

52 ---> 3452,4352;

All these numbers are divisible by 4