Water lilies grow extremely rapidly. In one pond, a water lily grew so fast that each day it covered a surface area double that of the area it had covered the previous day. At the end of the 30th day, it had covered the pond entirely. How long do you think it will take for two such water lilies to cover the whole pond?
Riddle AnswerMath Riddles
Biggest Number with Four Ones
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
3 Full Jars
There are three jars full of equal amounts quarters, dimes, and penny’s. Which one has the highest value?
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 Answer