Percentage Practice Test 1 with solutions

Question : 38 of 40

Marks: +1, -0

In a certain office, 72% of the workers prefer tea and 44% prefer coffee. If each of them prefer tea or coffee and 40 like both, the total number of workers in the office is

Validate

Solution:

Percentage of workers prefer tea and coffee both = 72 + 44 – 100 = 16%
Now, 16% = 40

∴ 100% = 40/16 ×100 = 250

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