What is the next number in the sequence?
1
11
21
1211
111221
312211
13112221
Logic Riddles
Books on a Bookshelf
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 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 AnswerChocolate Wrapper Challenge
Charlie has $1000. He can buy his favorite chocolate bar for $1. And there is a promotion: for every 4 chocolate wrappers submitted, the store will give 1 chocolate bar.
What is the maximum number of chocolate bars Charlie can get?
Riddle AnswerTwo Books Sitting Side by Side
There are two books sitting side by side, consisting of exactly 100 pages. The book on the left is upside down. If you add the page number at the extreme left side of the book on the left to the page number at the extreme right side of the right hand book, what is the total?
Riddle Answer