40 pupils were asked to choose their favourite type of movie. The ratio of the number of pupils who liked fantasy to the number of pupils who liked action
to the number of pupils who liked comedy was 7:2: 1. How many pupils liked
fantasy movies?
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Answer:
let no.of fantacy like pupil =7x
no. of action pupil = 2x
no. of comedy pupil =x
ATQ
no.of pupil who liked fantacy