Leadership

Mathematics

Eight Standard

Test your understanding of this lesson Method of finding square root of a perfect square number | Part-1:-

1)
The square-root of 441 is
  • 11
  • 21
  • 31
  • 19
2)
Which is the correct notation?
  • \(\sqrt{81}=\pm\9\)
  • \(\sqrt{81}=9\)
  • \(\sqrt{81}=-9\)
  • none of these
3)
\(\frac{\sqrt{49}+\sqrt{225}}{\sqrt{64}+\sqrt{289}}\)=
  • \(\frac{22}{25}\)
  • \(\frac{32}{25}\)
  • \(\frac{22}{15}\)
  • \(\frac{11}{25}\)
4)
\(\sqrt{147}\times\sqrt{243}\)=
  • 188
  • 178
  • 189
  • 289
5)
\(\sqrt{2500}-5\sqrt{25}\)=
  • 50
  • 25
  • 75
  • 0
Hand draw

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