There are several books on a bookshelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
Riddle AnswerMath Riddles
Look and Say
End of the World on a Sunday
If the end of the world should come on the first day of a new century, can you say what are the chances that it will happen on a Sunday?
Riddle Answer100 Using 4 Sevens
Can you take 4 7’s and arrange them with any math symbols needed to make the total be 100?
Riddle AnswerThe Two Aeroplanes
A man recently bought two aeroplanes, but afterwards found that they would not answer the purpose for which he wanted them. So he sold them for $600 each, making a loss of 20 percent on one machine and a profit of 20 percent on the other. Did he make a profit on the whole transaction, or a loss? And how much?
Riddle Answer