in an examination, a student reauires 40℅ of the total marks to pass. if rupa gets 185marks and fails by 15 marks, find the total marks
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the pass marks as 185 + 15 = 200.
Now the pass % is 40 and let 'x' be the total numbers.
40% of x = 200
40 x / 100= 200
x = 200×100/40
x = 20000/40
x = 500
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