In a pie chart of a school of $1200$ students showing extra-curricular preferences, Music has central angle…

In a pie chart of a school of $1200$ students showing extra-curricular preferences, Music has central angle $60^\circ$. The number of students who prefer Music is:
  1. $150$
  2. $180$
  3. $200$
  4. $240$

Solution

Number $= (60/360)\times 1200 = (1/6)\times 1200 = 200$.

Asked in: IMO

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