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Between which two consecutive integers does \(\sqrt{131}+2\) lie on the number line?

Answer and explanation

Correct answer: 13 and 14

Since \(11^2=121<131<144=12^2\), we have \(11<\sqrt{131}<12\). Adding 2 to all parts gives \(13<\sqrt{131}+2<14\), so the expression lies between 13 and 14. Option A is incorrect because it corresponds to the bounds of \(\sqrt{131}\), not of the complete expression. Exam tip: compare the number under the square root with the nearest consecutive perfect squares.

Related tags

Number LineIrrational NumbersSquare Root BoundsConsecutive IntegersPolynomialsRepresenting Real Numbers On The Number LineMathematicsClass 10 Mcq

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