The histogram above represents the weights of students who traveled out to their school for an examination. How many people made the trip?

On a pie chart there are six sectors of which four angles are 30°, 45°, 60°, 90° and the remaining two angles are in the ratio 2:1. Find the smallest angles of the remaining two angles.

The bar chart above shows the number of times the word "a, and , in, it, the ,to" appear in a paragraph in a book.

What is the ratio of the least frequent word to the most frequent word?

The pie chart above show the distribution of how students travelled to a certain school on a particular day. Use this information to answer the question below
If a hundred students travelled by bus, find the total number of students in the school

The bar chart shows the distribution of marks scored by a group of students in a test. Use the chart to answer the question below
How many students took the test?