Percentage Practice Test 7 with solutions

Question : 37 of 40

Marks: +1, -0

Riya scored 15% and failed by 85 marks while her friend Vibha scored 45% and got 65 marks more than that of the minimum required marks to pass the examination. What were the maximum marks was for the examination?

Validate

Solution:

Let a = 85, b = 65, x = 15%, y = 45%
Then,

M.M={100(a+b)}/{y-x}

={100(85+65)}/{45-15}=500

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