A 4-wheel drive car has travelled 10,000 miles using 5 tyres. All tyres have travelled the same distance. How many miles each tyre has run?
Riddle AnswerLogic Riddles
Weight of Brick
We have a brick of regular size. It weighs 4kg. How much do you think a similar brick, four times smaller, but made of the same material weigh?
Riddle Answer10 Coin Pyramid
Make the 10 coin pyramid on the left look like the inverted pyramid on the right by moving only 3 coins.
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 Answer