Question

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 if no digit

is repeated? How many of these will be even?​

Answer 1

Answer:

12,13,14,15,21,23,24,25,31,32,34,35,41,42,43,45,

Step-by-step explanation:

S={16}

Answer 2

Step-by-step explanation:

1234

1235

1245

1345

1243

1432

1423

1543

1534

1523

1524

1532

1542

1425

1452