NCERT Solutions for Class 9 Maths Chapter 1 Exercise 1.5 Solutions

CBSE X Related Questions

  • 1.
    Evaluate : \(\frac{3 \cos^2 30^{\circ} - 6 \csc^2 30^{\circ}}{\tan^2 60^{\circ}}\).


      • 2.
        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)


          • 3.
            Three tennis balls are just packed in a cylindrical jar. If radius of each ball is \(r\), volume of air inside the jar is

              • \(2\pi r^3\)
              • \(3\pi r^3\)
              • \(5\pi r^3\)
              • \(4\pi r^3\)

            • 4.

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

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

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

                      • 0
                      • 1
                      • 3
                      • 2

                    Comments


                    No Comments To Show