In an examination a student had to obtain 45% of the maximum marks to pass .He got 137 marks and failed by 43 marks .Find the maximum marks:
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He got 137 Mark's and failed by 43marks
so,pass mark =137+43=180mark
180mark is 45%of total mark
I.e 45/100×(y)=180 (y is total mark)
y=180×100/45
y=4×100
y=400
so, total mark is 400
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