In a survey, 300 students were asked to name their favourite chocolate bar. Their choices are representated as a circle graph above.
( Note: The circle is divided into 20 equal divisions.)
Of 45 students liked '7 star' the most, how many students liked 'Perky' the most ?
A. 60
B. 55
C. 20
D. 15
( WITH EXPLANATION)
Answers
Given : In a survey, 300 students were asked to name their favorite chocolate bar. Their choices are represented as a circle graph
45 students liked '7 star' the most
To Find : how many students liked 'Perky' the most
Solution:
Whole circle = 360°
300 students were asked to name their favorite chocolate bar
=> 300 students = 360°
=> 1 student = 360/300 = 6/5 °
=> 45 Students = 45 * 6/5 = 54°
54° 3 Divisions
=> 1 Division = 54°/3 = 18°
or Directly 360°/20 = 18° Each Division
20 Division = 300 Students
=> 1 Division = 300/20 = 15 Students
Perk has 4 Division
= 4 * 15
= 60
60 Students liked perk
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Answer:
60 Students liked perk
Step-by-step explanation: