CBSE Class 9 Maths Sample Paper Set 1
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Questions and Answers

What is the value of $k$ in the equation $(x - 1)$ is the factor of $x^2 + 9x - 5 + k^2$?

  • $k = -13$ (correct)
  • $k = 11$
  • $k = 13$
  • $k = -11$

    • What is the area of the triangle with side lengths 25 cm, 20 cm, and 15 cm?

  • 300 cm$^2$
  • 150 cm$^2$ (correct)
  • 200 cm$^2$
  • 250 cm$^2$

    • What is the value of $m$ in the equation $343m = 7m$?

  • $m = -1$
  • $m = 1$
  • $m = 0$ (correct)
  • $m = 49$

    • Evaluate: $36x^2 - 25$

    <p>$36x^2 - 25 = (6x + 5)(6x - 5)$</p> Signup and view all the answers

    Find the class mark of the interval 100-110.

    <p>$105$</p> Signup and view all the answers

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