NCERT Solutions for Class 9 Maths Chapter 2 Polynomials Exercise 2.5 Solutions

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


          • 3.
            The natural number 2 is :

              • a prime number
              • a composite number
              • prime as well as composite
              • neither prime nor composite

            • 4.
              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.


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

                    • 0
                    • 1
                    • 3
                    • 2

                  • 6.

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

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

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