2, 3, 5, 9, 17, _ What is the next number in the sequence?
It's a test that will check your IQ. Suppose you have one 11 minute hourglass and one 13 minute hourglass. Can you measure exactly fifteen minutes using them ?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
Which alphabet is a part of our body?
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
What can you hold in your right hand, but never in your left hand?
Can you fill the blank with the correct number? 6 30 870 756030 _____
Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law. How come ?
I know a nine-letter word having only one vowel. Do you ?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2. What is the chance of picking a pair of blue socks?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki