The following table shows the marks obtained by six students A-F in six different subjects S1 to S6 having 160, 160, 120, 120, 200 and 240 as maximum marks, respectively. Based on the data in the table, answer the questions that follow:
| Student | S1 (Out of 160) | S2 (Out of 160) | S3 (Out of 120) | S4 (Out of 120) | S5 (Out of 200) | S6 (Out of 240) |
|---|---|---|---|---|---|---|
| A | 80 | 84 | 66 | 56 | 154 | 150 |
| B | 120 | 100 | 84 | 76 | 136 | 132 |
| C | 128 | 72 | 64 | 70 | 144 | 160 |
| D | 84 | 130 | 96 | 84 | 104 | 168 |
| E | 64 | 128 | 90 | 92 | 174 | 70 |
| F | 70 | 96 | 60 | 56 | 164 | 100 |
The marks scored by student B and student C together in subjects S1 is approximately ___% more than the marks scored by student A, student D and student E together in the same subject.
A8.77 ✓ Correct
B9.66
C10.53
D11.67
Correct answer: (A) 8.77
Explanation
In S1, B and C together score 120 plus 128 which is 248. A, D and E together score 80 plus 84 plus 64 which is 228. The excess is 20 on a base of 228, and 20 divided by 228 times 100 is about 8.77 percent.
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