Abhinav scores 80% in physics and 66% in chemistry and the maximum marks of both the papers are 100. what percent does he score in maths which is of 200 marks, if he scores 80% marks in all the three subjects:
Correct Answer: Option C
\(\frac{80}{100}\;+\;\frac{66}{100}\;+\;\frac x{200}\;=\;\frac{320}{400}\)
=>x = 174 => 87%
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