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 |
Math (Out of 150) |
Science |
Hindi |
Social Studies |
|
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 |
|
The total marks obtained by student F in English, Science and Hindi is approximately what percent of the total marks obtained by student A in English, Mathematics, Science and Hindi?
(Correct to one decimal place)
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 49.3
The total marks obtained by student F in English, Science and Hind = 72% of 50 + 65% of 80 + 60% of 75 = 36 + 52 + 45 = 133.
The total marks obtained by student A in English, Mathematics, Science and Hindi = 70% of 50 + 90% of 150 + 65% of 80 + 64% of 75 = 35 + 135 + 52 + 48 = 270
Required % = 133/270 × 100 = 49.3%.