Examine the following statements:
1. George attends Music classes on Monday.
2. He attends Mathematics classes on Wednesdays.
3. His Literature classes are not on Friday.
4. He attends History classes on the day following the day of his Mathematics classes.
5. On Tuesday, he attends his Sports classes.
If he attends just one subject in a day and his Sunday is free, than he is also free on
UPSC - 2014
Directions for the following 3 items given below (Questions 8-10)
A, B, C, D, E, F are members of a family. They are engineer, Stenographer, doctor, draughtsman, lawyer and judge(not in order). A, the engineer is married to the lady stenographer. The judge is married to the lawyer. F, the draughtsman is the son of B and brother of E. C, the lawyer is the daughter-in-law of D. E is the unmarried doctor. D is the grandmother of F. There are two married couples in the family.
What is the profession of B?
UPSC - 2014
Which of the following is/are a couple/couples?
UPSC - 2014
What is the profession of D?
UPSC - 2014
Consider the following matrix: 
What is the missing number at "?" in the matrix?
UPSC - 2015
A group of 630 children is seated in rows for a group photo session. Each row contains three less children than the row in front of it. Which one of the following number of rows is not possible?
UPSC - 2014
