A table lists books read by 5 friends: Aisha 4, Rohan 7, Meena 5, Karan 6, Zoya 3. What is the difference between the highest and lowest number of books read?
- A.3
- B.4 ✓
- C.5
- D.6
Explanation: Highest = 7 (Rohan), lowest = 3 (Zoya). Difference = 7 − 3 = 4.
Class 6 IMO Mathematics Olympiad practice · Data & Measurement · Data Handling & Presentation
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