in a competitive examination , there were 60 questions the correct answer would carry 2 marks , and - Maths - Linear Equations in Two Variables

Question

in a competitive examination , there were 60 questions the correct
answer would carry 2 marks , and for incorrect 1 mark would be
subtracted yashwant had attempted all the questions and he got
total 90 marks then how many questions he got wrong ?

Rohan Das · Answer

here is your answer
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in a competitive examination , there were 60 questions . the correct answer would carry 2 marks , and for incorrect 1 mark would be subtracted . yashwant had attempted all the questions and he got total 90 marks . then how many questions he got wrong ?