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Which number lies between (3) and (4)?

Answer and explanation

Correct answer: \(\sqrt{10}\)

Since \(3^2=9\) and \(4^2=16\), and \(9<10<16\), we get \(3<\sqrt{10}<4\). Hence, \(\sqrt{10}\) is the correct option. \(\sqrt{8}<3\), while both \(\sqrt{17}\) and \(\sqrt{20}\) are greater than 4. Exam tip: locate a square root by comparing the number inside it with nearby perfect squares.

Related tags

Number SystemsNumber LineSquare RootsIrrational NumbersPerfect SquaresMathematicsClass 9 Mcq

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