Puzzle 1: 14 students in a class failed in both QT and Accounts. 20 failed in QT, but 32 failed in Accounts. How many students were there in total?
Answer: 20 + 32 – 14 = 38 students.
Puzzle 2: Solve this puzzle:
S is as much older than K as he is younger than P. N is as old as K .Which of the following is wrong?
- K is younger than P.
- N is younger than P.
- S is older than N.
- P is not the oldest.
- K is younger than S.
Answer: N = K < S < P. So d is wrong.
Puzzle 3: If two’s company, and three’s a crowd, what are four and five?
Puzzle 4: If you have it, you want to share it. If you share it, you don’t have it. What is it?
Answer: A secret.
Puzzle 5: If you threw a White stone into the Red Sea, what would it become?