120 students of class 2 were asked to name their favourite colour . The data collected is shown in the table .Find the fraction for each favourite colour .Represent this data in the form of a circle graph .
Favorite colour No. of students
Pink 15
Purple 60
Orange 30
Yellow 15quadrilateral ABCD
a) How many pairs of adjacent sides are there ? Name them.
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Answer: 25
Explanation: 15+60+30=105 120-105=25
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