Govt. Exams
Entrance Exams
Dancers ⊂ Performers. Some Performers are Artists. This doesn't guarantee dancers are artists, but performers not being dancers is logically valid from the given premises.
Each letter is shifted forward by 1: T→U, E→F, C→D, H→I, N→O, O→P, L→M, O→P, G→H, Y→Z. Result: UFDIOPHBHZ.
C is mother of A, so C is mother of B. E is father of D, and D is brother of C, so E is father of C. Therefore, E is grandfather of B.
Arranging clockwise: B, A, C, E, D, F. D opposite B (given). A right of B (given). C between A-F, E between D-F. C is opposite to A.
All flowers are plants, but only SOME plants are vegetables. We cannot conclude that some flowers are vegetables without knowing if flowers overlap with the vegetables category.
Since no reptiles are mammals, and some reptiles are dangerous, then some dangerous things (the dangerous reptiles) are not mammals. Valid conclusion.
These are squares of prime numbers: 2²=4, 3²=9, 5²=25, 7²=49, 11²=121, 13²=169.
The son of my mother = myself. So the girl's father is the man. Therefore, the girl is his daughter.
COMPUTER→RFMYOLSV uses reverse alphabet mapping (A↔Z, B↔Y, etc.). KEYBOARD using same rule gives DSVVBSYQ.
All philosophers are thoughtful, but only SOME thoughtful people are writers. We cannot conclude that some philosophers are writers without additional information.
