Some people participate in a survey to select their favorite of ice-cream flavor. The pie chart below shows the results of the survey. The ratio of the number of people who prefer vanilla to chocolate flavor is 1 : 3. (a) What percentage of the participant prefer vanilla flavor? (b) If 10% of the participants who selected lemon as their favorite flavor had selected coffee instead, how many per cent of the participants selected coffee as their favorite flavor?

(a) 15% (b) Percentage of coffee = $\frac{35}{125}\times100 = 25%$

All 36 pupils in primary 6 Benevolence voted for the color of their class T-shirt. The results is shown in the pie chart below. 16 pupils opted for Orange. Find the total number of Pupils who opted for Black and purple.

The pie chart below shown how pupils of ABC school travel to school daily. Study the pie chart below carefully and answer the questions. (a) If 810 pupils go to school by car, what is the enrolment of ABC school? (b) If the number of pupils who travel to school by MRT is twice those who walk to school, how many pupils walk to school? (c) what fraction of the pupils in ABC school go to school by MRT?

The pie chart below shows the different hobbies that a group of pupils has. Each pupil has only 1 hobby. 4 more pupils like reading than playing chess. How many pupils are there altogether?

The pie chart below shown the types of items sold by a bool store in a week. XY is a straight line. $\frac{1}{3}$ total items sold were newspapers. Given that 128 comic books were sold, how many storybook were sold in a week?

The pie chart represents the number of fruits sold at a fruit stall. There are 1080 fruits sold at the stall. (a) Express the number of durians and pineapples as s fraction of the total number of fruits sold at the stall. (b) Given that there are 48 rambutans, find the number of mangoes sold.

There are 4 types of fruit in a refrigerator. The pie represents the number of fruits of each type. The retio of the number of mangoes to the number of pears to the number of oranges is 6 : 8 : 13. What is the ratio of the number of pears to the number of apples? Give your answer in the simplest form.

The pie chart shows the breakdown of Mr Ye’s household bill. The amount of money spent on water is $\frac{2}{3}$ the amount of money spent on electricity. What percentage of the total bill was spent on water?