Transcription of Model Question Paper Mathematics Class XII
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Model Question PaperMathematicsClass XIITime Allowed : 3 hoursMax:Marks: 100 General Instructions(i)The Question Paper consists of three parts A, B and C. Each Question of eachpart is compulsory.(ii)Part AQuestion number 1 to 20 are of 1 mark each.(iii)Part BQuestion number 21 to 31 are of 4 marks each(iv) Question number 32 to 37 are of 6 marks eachPart AChoose the correct answer in each of the questions from 1 to 20. Each of these questioncontain 4 options with just one correct N be the set of natural numbers and R be the relation in N defined asR = {(a, b) : a = b 2, b > 6}.
husband’s selection is 1 7 and that of the wife’s selection is 1 5. Find the probabil-ity that only one of them will be selected. Part-C 32. Obtain the inverse of the following matrix using elementary operations.
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