A bar graph shows the number of books read by 5 students in a month: P=12, Q=8, R=15, S=10, T=5. How many…

A bar graph shows the number of books read by 5 students in a month: P=12, Q=8, R=15, S=10, T=5. How many students read more than $9$ books?
  1. $1$
  2. $2$
  3. $3$
  4. $4$

Solution

Counts greater than $9$: $P(12), R(15), S(10)$. That is $3$ students.

Asked in: IMO

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