Question

The number of different four-digit numbers that can be formed with the digits
2,3,4,7,9 and using each digit only oncenis

Answer 1

Answer:

ghj

gjdhjgc

hgfijgggf

Step-by-step explanation:

vijg

Answer 2

Answer:

2,3,4,7,9

The number formed should be having all the four digits

Step-by-step explanation:

1. 2347
2. 3427
3. 7423
4. 9732
5. 4329
6. 9999
7. 2342
8. 7329
9. 3947
10. 3492