NCERT Solutions for Class 10 Maths Chapter 12 Exercise 12.1

CBSE X Related Questions

  • 1.
    In the given figure, \(TP\) and \(TQ\) are tangents to a circle with centre \(M\), touching another circle with centre \(N\) at \(A\) and \(B\) respectively. It is given that \(MQ = 13 \text{ cm}\), \(NB = 8 \text{ cm}\), \(BQ = 35 \text{ cm}\) and \(TP = 80 \text{ cm}\).
    (i) Name the quadrilateral MQBN. (1)
    (ii) Is MN parallel to PA? Justify your answer. (1)
    (iii) Find length TB. (1)
    (iv) Find length MN. (2)


      • 2.
        The HCF of 960 and 432 is :

          • 48
          • 54
          • 72
          • 36

        • 3.
          In the adjoining figure, the slant height of the conical part is :

            • 4 cm
            • 7 cm
            • 5 cm
            • 25 cm

          • 4.
            In the given figure, \( \triangle AHK \sim \triangle ABC \). If \( AK = 10 \text{ cm} \), \( BC = 3.5 \text{ cm} \) and \( HK = 7 \text{ cm} \), find the length of \( AC \).


              • 5.
                The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :

                  • 0
                  • 1
                  • 3
                  • 2

                • 6.
                  Evaluate : \(\frac{3 \cos^2 30^{\circ} - 6 \csc^2 30^{\circ}}{\tan^2 60^{\circ}}\).

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