Math Problem Solver

. Some students were asked to list their favourite colour. The measure of

each colour is shown by the central angle of a pie chart given below :

Study the pie chart and answer the following questions :

(i) If a student is chosen at random, then find the probability of

his/her favourite colour being white ? 1

(ii) What is the probability of his/her favourite colour being blue or

green ? 1

(iii) (a) If 15 students liked the colour yellow, how many students

participated in the survey ? 2

OR

(iii) (b) What is the probability of the favourite colour being red or

blue ?