NCERT Solutions for Class 10 Maths Chapter 12 Exercise 12.2

CBSE X Related Questions

  • 1.
    Solve the following pair of linear equations by graphical method : \(2x + y = 9\) and \(x - 2y = 2\).


      • 2.
        Using prime factorisation, find the HCF of 144, 180 and 192.


          • 3.
            Find length and breadth of a rectangular park whose perimeter is \(100 \, \text{m}\) and area is \(600 \, \text{m}^2\).


              • 4.
                Find the sum of first 20 terms of an A.P. whose n\(^{th}\) term is given by \(a_n = 5 + 2n\). Can 52 be a term of this A.P. ?


                  • 5.
                    The sum of a number and its reciprocal is \(\frac{13}{6}\). Find the number.


                      • 6.
                        In a trapezium \(ABCD\), \(AB \parallel DC\) and its diagonals intersect at \(O\). Prove that \[ \frac{OA}{OC} = \frac{OB}{OD} \]

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