Question

Answer the following question.
Use the given digit without repetition and make the greastest and smaller 4-

digit numbers.

(a) 2,8,7,4 (b) 9,7,4,1 (c) 4,7,5,0 (d) 1,7,6,2

2- Use the given digit make the greastest and smaller 4-digit numbers by using

any one digit twice.

(a) 8 ,7,4 (b) 9,7,1 (c) 4,7,5 (d) 1,7,2

3- Make the 4- digit number using any four different digitswith conditions as

given

(a) Digit 7 is always at ones place Greatest- 9867

Smallest- 1027

(b) Digit 4 is always at tens place Greatest- _____

Smallest- _____

(c) Digit 9 is always at hundreds place Greatest- _____

Smallest- _____

(d) Digit 1 is always at thousand place Greatest- _____

Smallest- _____​

Answer 1

Answer:

1-(a) 8742, 2478 3-(b) 9840, 0489

(b) 9741, 1479 (c) 9987, 7899

(c) 7540, 0457 (d) 1000, 0001

(d) 7621, 1267

2-(a) 8874, 4788

(b) 9971, 1799

(c) 7754, 4577

(d) 7721, 1277