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 AnswerHard Riddles
Quarter on the Table
Your friend pulls out a perfectly circular table and a sack of quarters, and proposes a game.
“We’ll take turns putting a quarter on the table,” he says. “Each quarter must lay flat on the table, and cannot sit on top of any other quarters. The last person to successfully put a quarter on the table wins.”
He gives you the choice to go first or second. What should you do, and what should your strategy be to win?
Riddle AnswerThree Friends
At school Joe has three friends: Tim, George and Paige. Two of them play football, two play tennis, and two play golf. The friend who doesn’t play golf doesn’t play tennis and the one who doesn’t play football doesn’t play golf. Paige doesn’t play tennis. Which sports does each person play?
Riddle Answer4 Trees Same Distance
A smart landscaper is given the task of placing 4 trees so that they are all the same distance away from each other. How does he do this?
Riddle Answer500 Pages Book
A book has 500 pages:
The 1st page says “Exactly 1 page in this book is false.”
The 2nd page says “Exactly 2 pages in this book are false.”
…
The 500th page says “Exactly 500 pages in this book are false.”
Can any of the pages be true?
Riddle Answer