Waec Model Questions Vol1 2023 Mathematics Question 13
Practice objective / multiple choice question 13 from the 2023 Waec Model Questions Vol1 Mathematics examination.
The scores of 120 students in a Mathematics test are grouped as follows: - 0-29 : 15 students - 30-39 : 15 students - 40-49 : 43 students - 50-59 : 27 students - 60-69 : 0 students - 70-100 : 20 students The mean score of the whole class is 48.5. The teacher wishes to raise the overall mean to 52 by awarding the same extra marks to every student who scored in the 0-29 group only. How many extra marks must each of those 15 students receive?
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About This Question
This is Waec Model Questions Vol1 2023 Mathematics Question 13. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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