Igcse Model Questions Vol1 2025 Mathematics Question 2
Practice objective / multiple choice question 2 from the 2025 Igcse Model Questions Vol1 Mathematics examination.
A class of 40 students sat a mathematics test. Their scores (in whole marks) are grouped into the intervals 0-9, 10-19, 20-29 and 30-39. Let the frequencies in these intervals be f₁, f₂, f₃ and f₄ respectively. It is known that: • the overall mean score is 22.5; • the median score lies in the 20-29 interval; • the frequency in the 0-9 interval is half the frequency in the 30-39 interval. Find the number of students whose scores are in the 10-19 interval.
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About This Question
This is Igcse Model Questions Vol1 2025 Mathematics Question 2. It is one of the objective questions from the 2025 Igcse Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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