Question

Make the greatest and the smallest 4 digit number using any four different digit with conditions as given?
Digit 7 is always at once place
[ ] [ ] [ ] [7] greates [ ] [ ] [ ] [7] smallest
Digit 4 is always at tens place
[ ] [ ] [4] [ ] greatest
[ ] [ ] [4] [ ] smallest
Digit 9 is always at hundreds place
[ ] [9] [ ] [ ] greatest
[ ] [9] [ ] [ ] smallest
Digit 1 is always at thousands place
[1] [ ] [ ] [ ] greatest
[1] [ ] [ ] [ ] smallest

Answer 1

Answer:

Digit 7 is always at once place

9867 & 1027

Digit 4 is always at tens place

9847 & 1042

Digit 9 is always at hundreds place

8976 & 1902

Digit 1 is always at thousands place

1987 & 1023