Question : Study the graph and answer the question.
What percentage of the total number of workers in the factory is the number of workers whose weekly earnings are INR 6,500 or above but less than INR 8,500? (Your answer should be correct to one decimal place.)
Option 1: 50.2
Option 2: 42.6
Option 3: 35.8
Option 4: 49.3
Correct Answer: 49.3
Solution :
The total number of workers in the factory are
= 60 + 85 + 95 + 105 + 90 + 80 + 70 + 65 + 50 = 700
Number of workers whose weekly earnings are INR 6500 or above but less than INR 8,500
= 105 + 90 + 80 + 70 = 345
Required percentage = $\frac{345}{700} \times 100$
= 49.3%
Hence, the correct answer is 49.3.
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