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 AnswerDay after Tomorrow Is Yesterday
Two children, who were all tangled up in their reckoning of the days of the week, paused on their way to school to straighten matters out.
“When the day after tomorrow is yesterday,” said Priscilla, “then ‘today’ will be as far from Sunday as that day was which was ‘today’ when the day before yesterday was tomorrow!”
On which day of the week did they have this conversation?
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