NCERT Solutions for Class 11 Maths Chapter 6 Miscellaneous Exercises

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Class 11 Maths NCERT Solutions Chapter 6 Linear Inequalities Miscellaneous Exercises is based on following concepts:

  • Inequalities
  • Algebraic Solutions of Linear Inequalities in One Variable and their Graphical Representation

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CBSE CLASS XII Related Questions

  • 1.

    For the given Linear Programming Problem, shade the feasible region on the graph and write the coordinates of the corner points.

    Minimize \(Z = 5x + 7y\)

    subject to constraints

    \[ 2x + y \geq 8 \]

    \[ x + 2y \geq 10 \]

    \[ x,\ y \geq 0. \]


      • 2.

        Find the product of the maximum and minimum values of the function \( f(x) = \cos x - \frac{1}{2}\cos 2x,\ x \in \left[0, \frac{\pi}{2}\right] \).


          • 3.

            For the following Linear Programming Problem, shade the feasible region on the graph and find the coordinates of its corner points :

            Minimize \(Z = 18x + 10y\)

            subject to constraints

            \[ \begin{aligned} 4x + y &\ge 20 \\ 2x + 3y &\ge 30 \\ x, y &\ge 0. \end{aligned} \]


              • 4.

                The value of \( \left[ \tan^{-1}(-1) + \cos^{-1}\left(-\frac{1}{2}\right) + \sin^{-1}\left(\frac{1}{2}\right) \right] \) is :

                  • \( \frac{7\pi}{12} \)
                  • \( \frac{5\pi}{12} \)
                  • \( -\frac{5\pi}{12} \)
                  • \( \frac{\pi}{3} \)

                • 5.

                  The motion of a particle is described as \( S = 2t^{3} - 6t^{2} + 8 \). Its velocity \( \frac{dS}{dt} \), when the acceleration \( \frac{d^{2}S}{dt^{2}} \) vanishes is :

                    • \( -6 \) unit/sec
                    • \( 0 \) unit/sec
                    • \( 18 \) unit/sec
                    • \( 6 \) unit/sec

                  • 6.

                    For events A and B, if \(P(B)=\frac{3}{5}\), \(P(A/B)=\frac{1}{2}\) and \(P(A\cup B)=\frac{4}{5}\), then \(P(A)\) is :

                      • \(\frac{1}{2}\)
                      • \(\frac{3}{5}\)
                      • \(\frac{1}{5}\)
                      • \(\frac{3}{10}\)
                    CBSE CLASS XII Previous Year Papers

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