Question

(13) form the smallest 4 - digit number with all the digits below.
7 0 5 2
answer:
(14) form the greatest 4 - digit odd number with all the digits below.
8 4 5 7
answer:

Explanation:

Step1: (Q13) Pick smallest non-zero first digit

Choose 2 as thousands place (can't use 0).

Step2: (Q13) Arrange remaining digits ascending

Order 0, 5, 7 for hundreds, tens, units: 0, 5, 7.
Combine: $2057$

Step3: (Q14) Ensure number is odd

Choose smallest odd digit (5) for units place.

Step4: (Q14) Arrange rest descending

Order 8, 7, 4 for thousands, hundreds, tens: 8, 7, 4.
Combine: $8745$

Answer:

1. $2057$
2. $8745$