The Academic Staff College organized a refresher course in six different subjects, only one on each day, from Monday to Sunday. I. One of the days was a holiday. II. Psychology was on the previous day of the holiday. III. The course ended with History. IV. Economics, which was taken up on Wednesday, was on the previous day of Physics. V. Psychology and Philosophy had a gap of two days. VI. There was gap of one day between Sociology and Economics and a gap of two days between Sociology and Physics. Which day was a holiday?
The Academic Staff College organized a refresher course in six different subjects, only one on each day, from Monday to Sunday. I. One of the days was a holiday. II. Psychology was on the previous day of the holiday. III. The course ended with History. IV. Economics, which was taken up on Wednesday, was on the previous day of Physics. V. Psychology and Philosophy had a gap of two days. VI. There was gap of one day between Sociology and Economics and a gap of two days between Sociology and Physics. Which day was a holiday? Correct Answer Saturday
Subject: Psychology, History, Economics, Physics and Philosophy
Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
1) Economics, which was taken up on Wednesday, was on the previous day of Physics.
(It means Economics was taken on Wednesday and Physics was taken on Thursday)
2) Course ended with history.
(It means history was taken on Sunday)
| Subject | Days |
| Monday | |
| Tuesday | |
| Economics | Wednesday |
| Physics | Thursday |
| Friday | |
| Saturday | |
| History | Sunday |
3) There was a gap of one day between Sociology and Economics and a gap of two days between Sociology and Physics.
(If we putting Sociology on Monday both the condition are followed but we don't put Sociology on Friday because there is also a two days gap between Sociology and Physics)
| Subject | Days |
| Sociology | Monday |
| Tuesday | |
| Economics | Wednesday |
| Physics | Thursday |
| Friday | |
| Saturday | |
| History | Sunday |
4) Psychology and Philosophy had a gap of two days.
(From this statement Psychology was taken on Friday, because if we taken Psychology on Saturday. The condition Psychology and Philosophy had a gap of two days is not satisfied)
(So holiday was on Saturday)
| Subject | Days |
| Sociology | Monday |
| Philosophy | Tuesday |
| Economics | Wednesday |
| Physics | Thursday |
| Psychology | Friday |
| Saturday | |
| History | Sunday |
Hence, the correct answer is "Saturday".