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 |
What is the average marks scored by all the students in the subjects S5 and subject S6, respectively?
A142 and 130
B144 and 128
C146 and 130 ✓ Correct
D148 and 126
Correct answer: (C) 146 and 130
Explanation
Average over six students. For S5 the marks 154, 136, 144, 104, 174, 164 sum to 876, and 876 divided by 6 is 146. For S6 the marks 150, 132, 160, 168, 70, 100 sum to 780, and 780 divided by 6 is 130. So 146 and 130.
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