NCERT Solutions for Class 10 Maths Chapter 12 Exercise 12.1

CBSE X Related Questions

  • 1.
    Find the missing frequencies p and q in the following frequency distribution, when sum of frequencies is 40 and mean is 19 :


      • 2.
        If 14th term of an A.P. is 4 and its 15th term is zero, then its first term is

          • –48
          • –56
          • 56
          • 48

        • 3.
          In the given figure, PQ is a tangent to a circle with centre \(O(-5, 3)\). If coordinates of P and Q are \((3, 1)\) and \((0, 6)\) respectively, then using distance formula, show that \(PQ \perp OQ\).


            • 4.
              Three coins are tossed together. The probability of getting exactly two tails is

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

              • 5.
                Prove that : \(\sqrt{\frac{1 - \cos A}{1 + \cos A}} = \frac{\tan A}{\sec A + 1}\).


                  • 6.
                    Determine the ratio in which the line \(2x + y = 6\) divides the line segment joining the points (1, 3) and (2, 5).

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