There was a small get-together. There were a total of 28 handshakes exchanged between the guests. How many guests were present?
Riddle AnswerMath Riddles
2 Equals 1 Proof
What is wrong with the following proof?
2=1
a = b
a2 = ab
a2 – b2 = ab – b2
(a+b)(a-b) = b(a-b)
a + b = b
2b = b
2 = 1
Walk to Factory
A father and son work in the same factory. The father takes 30 minutes to walk to his factory and the son is able to cover the same distance in only 20 minutes. If the father were to leave the house 5 minutes earlier, how soon would his son catch up with his father?
Riddle AnswerHalf as Long until Midnight
If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now?
Riddle AnswerFill Pool with Water
A swimming pool has four taps. The first can fill the entire pool with water in two days, the second in three days, the third in four days, and the last one can fill the pool in 6 hours. How long will it take to fill the pool using all 4 taps together?
Riddle Answer