NCERT Solutions for Class 9 Maths Chapter 13 Exercise 13.8 Solutions

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NCERT Solutions for Class 9 Maths Chapter 13 Exercise 13.8 Solutions are based on the volume of a sphere.

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Read More: NCERT Solutions For Class 9 Maths Chapter 13 Surface Areas and Volumes

Exercise Solutions of Class 9 Maths Chapter 13 Surface Areas and Volumes

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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.
        PQ and PR are two tangents to a circle with centre O and radius 5 cm. AB is another tangent to the circle at C which lies on OP. If \(OP = 13\) cm, then find the length AB and PA.


          • 3.

            Which of the following sequence is \(\textit{not }\)an A.P. ?
             

              • \( 2, \frac{5}{2}, 3, \frac{7}{2}, \dots \)
              • \( -1.2, -3.2, -5.2, -7.2, \dots \)
              • \( \sqrt{2}, \sqrt{8}, \sqrt{18}, \dots \)
              • \( 1^2, 3^2, 5^2, 7^2, \dots \)

            • 4.
              In the adjoining figure, the slant height of the conical part is :

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

              • 5.
                Aarush bought 2 pencils and 3 chocolates for Rs 11 and Tanish bought 1 pencil and 2 chocolates for Rs 7 from the same shop. Represent this situation in the form of a pair of linear equations. Find the price of 1 pencil and 1 chocolate, graphically.


                  • 6.
                    If the median of the following distribution is 32.5, then find the values of x and y.

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