Ajay scored 30 marks in a test getting 3 marks for each right answer and losing 1 marks for each wrong answer. Had 4 marks been awarded for each correct answer and 2 marks been deducted for each incorrect answer, how many questions were there in the test?
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let the marks be x
3marks=3x
losing 1 mark=_x
Ajay scored=30marks
4 marks awarded=4x
2marks deducted =_2x
3marks=3x
losing 1 mark=_x
Ajay scored=30marks
4 marks awarded=4x
2marks deducted =_2x
HishamMusthafa:
Actually this question is based on linear equation
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