NCERT Solutions for Class 10 Maths Chapter 14 Statistics Exercise 14.4

CBSE X Related Questions

  • 1.
    Prove that : \(\sqrt{\frac{1 - \cos A}{1 + \cos A}} = \frac{\tan A}{\sec A + 1}\).


      • 2.
        In the given figure, PQ is a tangent to a circle with centre \(O(-5, 3)\). If coordinates of P and Q are \((3, 1)\) and \((0, 6)\) respectively, then using distance formula, show that \(PQ \perp OQ\).


          • 3.
            Find the H.C.F. and L.C.M. of 408 and 312.


              • 4.
                \(17 \times 11 \times 13 + 11\) is

                  • a prime number.
                  • multiple of 17.
                  • a composite number.
                  • an odd number.

                • 5.
                  PQ is tangent to the circle with centre O such that OP = 2OQ. m\(\angle\)OPQ is

                    • 15\(^\circ\)
                    • 60\(^\circ\)
                    • 45\(^\circ\)
                    • 30\(^\circ\)

                  • 6.
                    If \( 2 \sin A = 1 \), then the value of \( \tan A + \cot A \) is :

                      • \( \sqrt{3} \)
                      • \( \frac{4}{\sqrt{3}} \)
                      • \( \frac{\sqrt{3}}{2} \)
                      • \( 1 \)

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