Study the given histogram.

The total no. of employees whose daily wages are less than Rs. 450 is what percentage of the total no. of employees whose daily wages are less than Rs. 550?

21.42%

No. of employees who have daily wages less than 450 = 30

No. of employees who have daily wages less than 550 = 65 + 45 + 30 = 140

required percentage = \(\frac{30}{140}\) × 100 = 21.42%