NCERT Solutions for Class 9 Maths Chapter 1 Exercise 1.4 Solutions

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CBSE X Related Questions

  • 1.

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

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

    • 2.
      The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :

        • 0
        • 1
        • 3
        • 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.
          In the adjoining figure, the slant height of the conical part is :

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

          • 5.
            Through the mid-point Q of side CD of a parallelogram ABCD, the line AR is drawn which intersects BD at P and produced BC at R. Prove that \(AQ = QR\).


              • 6.
                The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.

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