A person was doing a 4 semester course in which average was 75. He was doing…
2025
A person was doing a 4 semester course in which average was 75. He was doing another course. What should be his average in this course so that average of entire study is 80?
Answer: C. 85 — Key insight: treat both courses as 4-semester programmes, so total semesters = 8. Compute total marks required for an overall average of 80: 8 × 80 = 640.…
- A.
84
- B.
75
- C.
85
- D.
80
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Correct answer: C
Key insight: treat both courses as 4-semester programmes, so total semesters = 8.
Compute total marks required for an overall average of 80: 8 × 80 = 640.
Marks obtained from the first 4-semester course: 4 × 75 = 300.
Marks needed from the second course: 640 − 300 = 340.
Average required in the second 4-semester course: 340 ÷ 4 = 85.
Therefore the required average in the other course is 85.