A student obtains overall 78% marks in his examination consisting of Physics, Chemistry, Mathematics, Computer Science and General English. Marks obtained in each subject and the maximum marks are indicated in the following table The marks (X) obtained by the student in General English would beSubject 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
84
To determine the marks obtained by the student in General English, we can use the information provided about the student's overall percentage and marks obtained in other subjects. The process involves calculating the total marks and then isolating the mark for General English.
The total marks the student can obtain are as follows:
| Subject | Maximum Marks |
|---|---|
| Physics | 200 |
| Chemistry | 100 |
| Mathematics | 200 |
| Computer Science | 200 |
| General English | 100 |
| Total | 800 |
The student obtains an overall 78% of the total marks. Therefore, the calculation for total marks obtained is:
\(0.78 \times 800 = 624\)
Now, we sum up the marks obtained in other subjects:
- Physics: 155
- Chemistry: 80
- Mathematics: 165
- Computer Science: 140
Total marks obtained in other subjects:
\(155 + 80 + 165 + 140 = 540\)
To find the marks obtained in General English (X), we calculate as follows:
\(X = 624 - 540 = 84\)
Therefore, the marks obtained by the student in General English are 84.
Thus, the correct answer is 84.
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