CBSEEXAMINATION PAPER 2018MATHEMATICS(With Solutions)CLASS X(This Paper is Modified According to the Latest CBSE Question Paper DTime 1lloGeneral Instructions:esign)Maximum Marks 80() All questions are compulsory(ii) This question paper consists of 30 questions divided into four s)Section A contains 6 questions of I mark each, Section B contains ins 8ections - A. B, C and D.6 questions of 2 marksmarks each and Section D contains 8 questions ofeen provided in four questionseach, Section C contains 10 questions of 34 marks each(v) There is no overall choice. However, an internal choice has been provided ni only one of3 marks each and three questions of 4 marks each. You have to aattempt only one ofalternatives in all such questionsv) Use of calculators is not permittedSection AQuestion numbers 1 to 6 carry 1 mark each.1. Ifx 3 is one root of the quadratic equation x 2kx 6 0, then tinSolution. The given equation is 22r-60.