Study the following table and answer the questions.
Percentage of marks obtained by Five students A, B, C, D and E in five subjects.
Find the difference between the total marks obtained by students E in English, Science and Hindi and the total marks obtained by student A in English, Mathematics, Science and Hindi?
Answer & explanation
Correct answer: option 2
Marks of E in (Eng., Sci., Hindi) = 50 × 54% + 80 × 55% + 75 × 72%
= 27 + 44 + 54 = 125
Marks of A in (Eng., Maths, Sci., Hindi) = 50 × 70% + 150 × 90% + 80 × 65% + 75 × 64%
= 35 + 135 + 52 + 48 = 270
Difference = 270 - 125 = 145