The following is the age distribution of 2000 persons working in a large textile mill
| Age Groups | No of persons |
| 15 and less than 20 | 80 |
| 20 and less than 25 | 250 |
| 25 and less than 30 | 300 |
| 30 and less than 35 | 325 |
| 35 and less than 40 | 287 |
| 40 and less than 45 | 220 |
| 45 and less than 50 | 268 |
| 50 and less than 55 | 150 |
| 55 and less than 60 | 75 |
| 60 and less than 65 | 25 |
| 65 and less than 70 | 20 |
Because of heavy looses the management decides to bring down the strength to 40 percent of the present number according to the following scheme.
(i) To retrench the first 10% from the lowest age group 15-20
(ii)To absorb the next 10% in other branches
(iii)To make 10% from the highest age group 40-45 retire permanently
What will be the age limits of persons retained in the mill and of those transferred to other branches?
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