Study the following graph and answer the question based on the graph.
What percentage of the total number of teachers are aged less than 45 years?
Answer & explanation
Correct answer: option 1
Total number of teachers = 4 + 5 + 6 + 3 + 2 + 5 = 25
Number of teachers aged less than 45 years = 4 + 5 + 6 + 3 + 2 = 20
Required percentage = \(\frac{20 }{25}\) × 100
= \(\frac{4 }{5}\) × 100
= 80%