Question

From the following data, calculate the percentage of workers getting wages between Rs. 420 and Rs. 780:
Wages(Rs.) No. Of workers
200-300 20
300-400 45
400-500 85
500-600 160
600-700 70
700-800 55
800-900 35
900-1000 30​

Answer 1

Answer:

370 workers are getting wages between 420 and 720

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