NCERT Solutions for Class 9 Maths Chapter 11 Constructions Exercise 11.1 Solutions

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NCERT Solutions for Class 9 Maths Chapter 11 Exercise 11.1 Solutions are based on the concept of shapes and their individual constructions.

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Exercise Solutions of Class 9 Maths Chapter 11 Constructions

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CBSE X Related Questions

  • 1.
    The graph of a quadratic polynomial f(x) passes through (5,0), (0, -1) and (-2, 0). The two factors of the polynomial are

      • \((x + 2), (x - 5)\)
      • \((x + 5), (x - 2)\)
      • \((x + 1), (x - 5)\)
      • \((x - 1), (x + 2)\)

    • 2.
      In an A.P., if $a_{14} - a_8 = 24$, then the common difference of the A.P. is

        • $6$
        • $4$
        • $\pm 4$
        • $3$

      • 3.
        If for a data, median is 5 and mode is 4, then mean is equal to :

          • 7
          • 11
          • \(\frac{11}{2}\)
          • \(\frac{14}{3}\)

        • 4.
          It is given that \(\triangle ABC \sim \triangle EDF\). Which of the following is not true?

            • \(\frac{\text{Perimeter of } \triangle ABC}{\text{Perimeter of } \triangle EDF} = \frac{AB}{ED}\)
            • \(\frac{AB}{ED} = \frac{AC}{EF}\)
            • \(\angle A = \angle D, \angle C = \angle F\)
            • \(\frac{AB + BC}{AC} = \frac{ED + DF}{EF}\)

          • 5.
            If roots of the quadratic equation \(x^2 - k\sqrt{3}x + 2 = 0\) are real and equal, then value of k is

              • \(-2\)
              • \(\sqrt{\frac{8}{3}}\)
              • \(1\)
              • \(2\)

            • 6.
              Which of the following graphs represents a polynomial with both zeroes being positive?

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