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Using digits 9, 6, 3, 0 (each exactly once), Kavya forms the greatest 4-digit number and Ishaan forms the smallest 4-digit number.
By how much is Kavya's number greater than Ishaan's?

Class 6Comparing NumbersNumbers
  • A7216
  • B5906
  • C13122
  • D6561

Step-by-Step Solution

Greatest = 9630. Smallest (0 cannot be first) = 3069. Difference = 9630 - 3069 = 6561.
Answer: D) 6561

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