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Choose a topic, a skill or a difficulty. Calculation exercises have new versions with fresh numbers once you have solved them, so you can practise the method rather than memorise an answer.

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Practice, difficulty 1 of 3

How many employees in the biggest group?

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A bar chart shows the number of employees in six departments of another (fictional) company:

Department	Operations	Sales	Technology	Finance	Human Resources	Legal
Employees	103	77	120	22	21	92

What percentage of all employees are in the department with the tallest bar? Give your answer to 1 decimal place.