Question

write the greatest and the smallest four digit number using four different digits with the conditions as given * digit 3 always at hundreds place *digit 0 always at hundreds place

Answer 1

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Make the greatest and the smallest 4-digit numbers using any four different digits with conditions as given.

(a) Digit 7 is always at one's place

Greatest - 9 8 6 7

Smallest - 1 0 2 7

(Note, the number cannot begin with the digit 0. Why?)

(b) Digit 4 is always at tens place

Greatest - _ _ 4 _

Smallest - _ _ 4 _

(c) Digit 9 is always at hundreds place

Greatest - _ 9 _ _

Smallest - _ 9 _ _

(d) Digit 1 is always at thousands place

Greatest- 1 _ _ _

Smallest - 1 _ _ _

Answer 2

Answer:

9730

3709

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