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Number systems — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsNumber systems1 Mark
MCQ
If $\sqrt{5}=2.236,$ then $\frac{1}{\sqrt{5}}.$
  • A
    0.4472
  • B
    44.72
  • C
    4.472
  • D
    0.04472
✓

Answer

  1. 0.4472
    Solution:
    $\sqrt{5}=2.236$
    So, $\frac{1}{\sqrt{5}}\times\frac{\sqrt{5}}{\sqrt{5}}=\frac{\sqrt{5}}{5}=\frac{2.236}{5}$
    $=0.4472$

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