Question

Form the greatest and smallest 4 digit numbers using the 4 digits - 4,5,9,1 if Repetition of digits are allowed.

Answer 1

Answer:

(a)  great- 8742

      small- 2478

(b)  great- 9741

      small- 1479

(c)  great- 7540

      small- 4057

(d)  great- 7621

      small- 1267

(e)  great- 5430

      small- 3045

Step-by-step explanation:

Answer 2

greatest : 9999 (if repetition allowed) , 9541 (if repetition not allowed)

smallest : 1111 (if repetition allowed) , 1459 (if repetition not allowed)

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