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Answer the questions based on the following information.
The following bar diagram represents the number of daily wages (in rupees) of 100 labourers in different wage classes on a construction site. Here the class interval a-b includes all wages (in rupees) greater than or equal to a and less than b except for the interval 360-400, where both the end points are included.
No.of labourersΒ

Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Wages in Rupees
Let's tabulate the information in the graph ,we getΒ
From the table, it is evident that there are 20 members who got at least 320
Hence C is the correct answer.
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