Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211
I look at you, you look at me I raise my right, you raise your left. What am I?
If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.
If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?
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 ?
A man dies of old age on his 25 birthday. How is this possible?
There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.
How many minimum links will you have to cut to make the big chain?
Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.
What is the total distance that the supersonic bird has traveled till the trains collided?
What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven
You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.
Can you find out how many chocolates are there in P and Q respectively?
An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.