Data Interpretation · Question 15 · Hard
Data Interpretation question 15
Marks (out of 100) scored by four students:
Student Maths Science English
Asha 85 78 72
Bilal 64 70 88
Chetan 92 81 65
Divya 75 90 80
By how many marks must Bilal improve his Maths score so that his average across the three subjects becomes 80?
- 16
- 20
- 18
- 8
Answer and explanation
Answer: C. 18
Explanation: For an average of 80 his total must be 240. His current total is 64 + 70 + 88 = 222, so he needs 18 more marks.
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