A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?
Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.
Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?
You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.
When monkey rotate the gear, which mark will be hit 1 or 2 ?
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?
Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.
Why did he think so?
What word is represented by this rebus?
You have two rectangular wires.
Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.
However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).
So how could you measure 45 minutes ?
Spot the cat in the picture below
I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?
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.