The grades of 36 students in a class test are as shown in the pie chart. How many student has excellent?
In the diagram, EFGH is a circle centre O. FH is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH
If the diagram is the graph of y = x\(^2\), the shaded area is
The cumulative frequency curve represents the ages of ages of students in a school. What age group do 70% of the students belongs?