The percentage of doctors that fall into the 35 to 40 years age group (both inclusive) is at least
13.33%
The minimum percentage of doctors that fall into the 35 to 40 years age group (both inclusive) is:
1 male with 0 post graduate degrees &38 years age,1 female with 1 post graduate degree &35 years age,1 female with 2 post graduate degrees & 37 years age and 1 female with 3 post graduate degrees &40 years age must be at least lie in this range.
Hence the required percentage = (430)×100=13.33%