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What is the product of the difference between the smallest 4-digit number and the largest 3-digit number and the sum of the largest 2-digit number and the smallest 3-digit number?

What is the product of the difference between the smallest 4-digit number and the largest 3-digit number and the sum of the largest 2-digit number and the smallest 3-digit number? Correct Answer 199

Calculation:

Difference of Smallest 4 digit and largest 3 digit = 1000 – 999 = 1

Sum of largest 2 digit and smallest 3 digit = 99 + 100 = 199

Product of sum and difference = 1 × 199 = 199

∴ The product of difference is 199.

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