6Dec19 evening Q11

0. A student obtains overall 78% marks in his examination consisting of Physics, Chemistry, Mathematics, Computer Science and General English. Marks obtained io each subject and the maximum marks are indicated io the following table.
Subject Physics (200 max marks) Chemistry (100 max marks) Mathematics (200 max marks) Computer science (200 max marks) General English (100 max marks)
Marks Obtained 155 80 165 140 X
The marks (X) obtained by the student in General English would be

Answer
Comment
Array

Option : C
Explanation :
Total maximum marks
= 200+ 100+200 + 200 + 100= 800
Overall marks percentage = 78%
Overall marks = 800 x (78/100) = 624
Total marks obtained
= 155 + 80 + 165 + 140 + x = 540 + x
Now, 540 + x = 624
x = 624-540 = 84

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