1.
Data on 450 candidates, who took an examination in Social science, Mathematics and Science is given below
Passed in all the subjects |
167 |
failed in all subjects |
60 |
Failed in social science |
175 |
Failed in mathematics |
199 |
Failed in Science |
191 |
Passed in Social Science only |
62 |
Passed in mathematics only |
48 |
Passed in science only |
52 |
How many passed at least in one subject?