From the following table, how many patients were in the age group 40 – 60?
|
Age (years) |
Less than 10 |
Less than 20 |
Less than 30 |
Less than 40 |
Less than 50 |
Less than 60 |
Less than 70 |
|
No. of patients |
11 |
15 |
22 |
29 |
35 |
45 |
50 |
1
6
2
16
3
45
4
29