Using digits 4, 0, 9, 8 form the largest and smallest number of four digits. Repetition is not allowed. Sum of these two numbers is
Given:
Digits = 4, 0, 9, 8
Form the largest and smallest four-digit numbers
Repetition not allowed
Find their sum
Solution:
Largest → just sort digits ↓ → 9840
Smallest → keep 0 second, smallest non-zero first → 4089
Sum = 9840 + 4089 = 13929
English
200 Questions
200 Marks
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