NCERT Solutions for Class 10 Maths Chapter 4 Exercise 4.2

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Jasmine Grover

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NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations Exercise 4.2 is provided in this article. Class 10 Maths Chapter 4 Exercise 4.2 contains a total of 6 questions based on the quadratic equation concepts.

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Check out the solutions of Class 10 Maths NCERT solutions chapter 4 Quadratic Equations 4.2

Read More: NCERT Solutions For Class 10 Maths Quadratic Equations

Check out other exercise solutions of Class 10 Maths Chapter 4

Class 10 Chapter 4 Topics:

CBSE Class 10 Maths Study Guides:

CBSE X Related Questions

  • 1.
    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.


      • 2.
        A trader has three different types of oils of volume \(870 \text{ l}\), \(812 \text{ l}\) and \(638 \text{ l}\). Find the least number of containers of equal size required to store all the oil without getting mixed.


          • 3.
            The graph of \(y = f(x)\) is given. The number of zeroes of \(f(x)\) is :

              • 0
              • 1
              • 3
              • 2

            • 4.
              Three tennis balls are just packed in a cylindrical jar. If radius of each ball is \(r\), volume of air inside the jar is

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

              • 5.
                Assertion (A) : If probability of happening of an event is \(0.2p\), \(p>0\), then \(p\) can't be more than 5.
                Reason (R) : \(P(\bar{E}) = 1 - P(E)\) for an event \(E\).

                  • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
                  • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
                  • Assertion (A) is true, but Reason (R) is false.
                  • Assertion (A) is false, but Reason (R) is true.

                • 6.
                  If \(PQ\) and \(PR\) are tangents to the circle with centre \(O\) and radius \(4 \text{ cm}\) such that \(\angle QPR = 90^{\circ}\), then the length \(OP\) is

                    • \(4 \text{ cm}\)
                    • \(4\sqrt{2} \text{ cm}\)
                    • \(8 \text{ cm}\)
                    • \(2\sqrt{2} \text{ cm}\)

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