Study the following table and answer the question:
Percentage of marks obtained by six students A, B, C, D, E and F in five subjects.
|
Subjects → Students ↓ |
English (Out of 50) |
Math (Out of 150) |
Science (Out of 80) |
Hindi (Out of 75) |
Social Studies (Out of 100) |
|
A |
70 |
90 |
65 |
64 |
88 |
|
B |
84 |
92 |
75 |
68 |
49 |
|
C |
66 |
80 |
85 |
80 |
84 |
|
D |
62 |
74 |
75 |
88 |
60 |
|
E |
54 |
64 |
55 |
72 |
85 |
|
F |
72 |
84 |
65 |
60 |
65 |
What are the average marks of students B, C, D and F in Math?
Answer & explanation
Correct answer: option 3
Total marks of B , C , D & F = ( 92% + 80% + 74% + 84% ) of 150
= \(\frac{330}{100}\) × 150
= 495
Average = \(\frac{495}{4}\) = 123.75