Question 16
Data collected in a survey shows that 40% of the buyers are interested in buying a particular brand of toothpaste. The central angle of the sector of the pie chart representing this information is:
(a) 120°
(b) 150°
(c) 144°
(d) 40°
Ans: (c)
Percentage of buyers who selected the particular brand of toothpaste = 40%.
Central angle of the sector of pie chart representing the above information
=40% of central angle
=40100×360∘=144∘