Like (similar) surds among $2\sqrt{3},\ 5\sqrt{3},\ 4\sqrt{2},\ \sqrt{5}$ are

Like (similar) surds among $2\sqrt{3},\ 5\sqrt{3},\ 4\sqrt{2},\ \sqrt{5}$ are
  1. $2\sqrt{3}$ and $5\sqrt{3}$
  2. $2\sqrt{3}$ and $4\sqrt{2}$
  3. $\sqrt{5}$ and $4\sqrt{2}$
  4. None

Solution

Similar surds have the same radicand and order. Both $2\sqrt{3}$ and $5\sqrt{3}$ have radicand $3$.

Asked in: MH-SSC-9

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