The following table shows the marks of a student in 5 tests in the subjects Maths, Physics, and Chemistry (out of 100 for each subject). Study the table and answer the question that follows.
|
Tests |
Maths |
Physics |
Chemistry |
|
1 |
80 |
69 |
91 |
|
2 |
94 |
79 |
85 |
|
3 |
88 |
81 |
95 |
|
4 |
92 |
76 |
90 |
|
5 |
96 |
90 |
84 |
The ratio of the average marks obtained by the student in test 2 to the average marks he got in Maths in all tests, is:
1
21 ∶ 25
2
4 ∶ 7
3
4 ∶ 3
4
43 ∶ 45