Question

In how many ways a four -digit number can be formed using starting 10 whole numbers such that it is divisible by 4 and repetition is not allowed

Answer 1

Answer:

1042 1024 1204 1240 1402 1420

2014 2041 2104 2140 2401 2410

4210 4201 4120 4102 4012 4021

Answer 2

14 ways a four -digit number can be formed using starting 10 whole numbers such that it is divisible by 4 and repetition is not allowed.

Step-by-step explanation:

1. Here we have to make four digit number. Starting with 10.

2. So we can write four digit number like 1 0 A B. Here B is in unit place and A is in ten place of number.

3. But number is divisible by four. We have to make number by using digit 0,1,2,3,4,5,6,7,8,9. but repetition is not allowed.

4. So 8 digit (2,3,4,5,6,7,8,9)  given to make arrangement of A B.

5. We know that for divisibility by first two number should be divisible by four.

6. A B should be divisible by four.

7. Now number are

  1024,1028,1032,1036,1048,1052,1056,1064,1068,1072,1076,1084,1092,1096