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Which option shows the correct order?

Answer and explanation

Correct answer: −3 < −1 < 2

The governing concept is comparison of signed real numbers on the number line. On a number line, numbers increase from left to right; a number farther left is smaller, and a number farther right is greater. The point −3 lies to the left of −1, and −1 lies to the left of 2. Hence the increasing order is −3 < −1 < 2, making option A correct. Option B reverses the natural order and places the positive number first. Option C incorrectly claims that −1 is less than −3, although −1 is actually greater than −3. Option D also begins with 2, so it is not an increasing sequence. Comparing positions on the number line is more reliable than judging only the visual size of negative numerals.

Related tags

Real NumbersNumber LineOrdering IntegersNumber SystemsMathematicsClass 9 Mcq

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