When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.
When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.
Can you calculate how much time has elapsed between the two observations?
Who is that with a neck and no head, two arms and no hands? What is it?
You can see three almost identical images below. Can you spot the odd one out from them?
What is at the end of a rainbow?
How much will a 38° angle measure when looked at under a microscope that magnifies ten times?
I am a word of 12 alphabets.
* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.
On whole it means a person suffering from delusions of greatness.
What Is it ?
Our product and our sum always give the same answer. Who are we?
What runs around the whole yard without moving?
Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?
Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.
