NCERT Solutions for Class 9 Maths Chapter 2 Polynomials Exercise 2.3 Solutions

CBSE X Related Questions

  • 1.
    It is given that \(\triangle ABC \sim \triangle EDF\). Which of the following is not true?

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

    • 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.
        Mean and Median of a frequency distribution are 43 and 40 respectively. The value of mode is

          • 34
          • 43
          • 38.5
          • 41.5

        • 4.
          If roots of the quadratic equation \(x^2 - k\sqrt{3}x + 2 = 0\) are real and equal, then value of k is

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

          • 5.
            In the given figure, $PQ$ is tangent to the circle with centre $O$. $S$ is a point on the circle such that $\angle SQT = 55^\circ$. The $m\angle QPS$ is

              • $55^\circ$
              • $20^\circ$
              • $35^\circ$
              • $70^\circ$

            • 6.
              If for a data, median is 5 and mode is 4, then mean is equal to :

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

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