the total marks obtained by a student in physics, chemistry and mathematics together is 120 more than the marks obtained by him in chemistry. what are the average marks obtained by him in physics and mathematics together?
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Heya.......!!!!
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QUESTION
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The total marks obtained by a student in physics,chemistry and mathematics
Together is 120 more than the marks obtained by him in chemistry.what are the average marks obtained by him in physics and mathe and together?
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ANSWER
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According to the question it is given sum of all the 3 subjects is 120
So phy +chemistry +maths=120
We should subtract chemistry from the equ
Phy+ maths =120
Average of physics and maths
= (phy+maths)/2
120/2
=60
The average marks obrained by him in both phy and math is 60
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Hope it helps
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