WBCS.LIVE practice question

The difference between the greatest and lowest numbers formed out of the four digits 8, 9, 0, 7 is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 9081
  2. 1809
  3. 2047
  4. 2781

Correct answer and explanation

Correct answer: 2781

Explanation: āœ… Correct Answer: D. 2781 šŸ“š Explanation: The greatest number using 8, 9, 0, 7 is 9870. The lowest number (where 0 cannot be at the start) is 7089. The difference between them is 9870 - 7089. Performing this subtraction gives a final result of exactly 2781.