1.

competitiveotpart.Thenfind the length of the larger part.examination, there were 60 questions. The correct answer wioad10) In a0) 122 marks, and for iall the questions aand for incorrect answer 1 mark would be subtracrongestions and he got total 90 marks. Then how many questons e

Answer»

let X be the no of questions he got right and y be the no of of questions he got wrong.x+y=60(Total no. of questions)2x-y=90(2 marks for right questions and -1 for the wrong ones)Adding both the equations,we get x=50Therefore,y=10.



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