Class 7 Ch-18 Practice

Ex 18.2

Q1. No. of degrees per desert chosen = 360 /40 = 9


ICe cream = 9 X 9 = 81 degree

Cheese cake = 12 X 9 = 108 degree

Pavlova = 5 X 9 = 45 degree

Fruit salad = 8 X 9 = 72 degree

None = 6 X 9 = 54 degree

b) Percentage of none = 6/40 X 100% = 15%


Q2. No. of degree per day = 360/60 =6

Monday = 5 X6 = 30 degree

Tuesday = 8 X6 = 48 degree

Wednesday =14 X6 = 84 degree

Thursday = 6X 6 = 36 degree


Friday = 27 X6 =162 degree


a) Total student = 60


c) 5/60 = 1/12


HW Complete Ex 18.2 and 18.3


 

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