If the highest four-digit number is subtracted from the lowest five-digit number, what will be the resultant figure?

by

A. 10,000
B. 5,000
C. 1 
D. 19,999

🧠 Explanation (Math):

Given: Lowest 5-digit = 10000; highest 4-digit = 9999
Step 1: Subtract ⇒ 10000 − 9999 = 1
Final Answer: 1