**Question:**

The following histogram shows the monthly wages (in Rs) of workers in a factory:

(i) In which wage-group the largest number of workers are being kept? What is their number?

(ii) What wages are the least number of workers getting? What is the number of such workers?

(iii) What is the total number of workers?

(iv) What is the factory size?

**Solution:**

(i) In Fig $24.8$, the highest rectangle corresponds to the largest number of workers. The required interval is Rs $950-1000$. There are 8 workers in this interval.

(ii) The lowest rectangle corresponds to the least number of workers. The required interval is Rs $900-950$. There are 2 workers in this interval.

(iii) The total number of workers is the sum of workers in all the intervals. It can be calculated as follows:

Total workers $=3+7+5+4+2+8+6+5=40$ workers

(iv) The factory intervals are $750-800,800-850, . .1050-100 .$ Hence, the factory size is $50 .$