Mathematics

The table above shows the frequency distribution of the ages (in years) of pupils in…

The table above shows the frequency distribution of the ages (in years) of pupils in a certain secondary school. What percentage of the total number of pupils is over 15 years but less than 21 years?
  • A.
    35%
  • B.
    45%
  • C.
    50%
  • D.
    60%
Correct Answer: Option C
Explanation

% of those above 15 but less than 21 years
age = 25/50 x 100/1
= 50%