It is found that 15% of the student at a school do not jog or swim or cycle, 8% do all three of these activities, 15% swim and cycle but do not jog, 15% do both jog and swim, 20% swim only, 18% cycle only and 42% do two or more activities. a) How many student do not jug, swim and cycle?[1] b) Show the above information in venn diagram.[1] c) Workout the percentage of swim or cycle?[3] Why is the percentage of total student involving in survey.

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