A+boy+who+obtains+64+marks+in+a+subject+gets+80%+of+tge+total+marks.+What+is+the+full+marks+of+the+subject?
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Step-by-step explanation:let the total marks be x
Now, 64=80/100*x
64=4/5x
x=64*5/4
x=80
Therefore total marks are 80
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