NCERT Solutions for Class 11 Maths Chapter 5 Miscellaneous Exercises

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Class 11 Maths NCERT Solutions Chapter 5 Complex Numbers and Quadratic Equations Miscellaneous Exercises are based on following concepts:

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CBSE CLASS XII Related Questions

  • 1.
    A racing track is build around an elliptical ground whose equation is given by \( 9x^2 + 16y^2 = 144 \).The width of the track is 3 m as shown below :


      • 2.
        Sports car racing is a form of motorsport which uses sports car prototypes.The competition is held on special tracks designed in various shapes.
        The equation of a sports car racing track is given as: \( f(x) = \begin{cases x^4 - 4x^2 + 4, & 0 \leq x x^2 + 40, & x \geq 3 \end{cases} \). Based on this information}


          • 3.
            Two vertical light poles of height \(22 \text{ m}\) and \(16 \text{ m}\) stand on the opposite sides of a \(20 \text{ m}\) wide road. Two ladders of length \(l_1\) and \(l_2\) are placed from a common point \(R\) on the road at a distance of \(x \text{ m}\) from the smaller pole.
            Based on the above information,


              • 4.
                The probability of hitting the target by a trained sniper is three times the probability of not hitting the target on a stormy day due to high wind speed.
                The sniper fired two shots on the target on a stormy day when wind speed was very high. Find the probability that


                  • 5.
                    A survey was conducted on the patients who have undergone knee replacement surgeries. It was found that, Robotic Knee replacement surgeries have a 90% success rate. On a particular day, robotic surgery was performed on three patients, A, B and C, one after the other. Assuming that the success and failure of each surgery is independent of each other, find the probability that


                      • 6.
                        Roundabouts are often made on busy roads to ease the traffic and avoid red lights.
                        One such round-about is made such that the equation representing its boundary is given by \( C_1 : x^2 + y^2 = 64 \). There is a circular pond with a fountain in the middle of the roundabout whose equation is given by \( C_2 : x^2 + y^2 = 4 \). Based on the given information

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