I am white when I am dirty, and black when I am clean. What am I?
Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits
O_er_t_o_
Complete the missing letters of the given word.
Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.
A father's child, a mother's child, yet no one's son.
Who am I?
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?
What is always in front of you but can’t be seen?
If,
A = 1
B = 2
C = 3
...
...
Z = 26.
Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.
What always comes into a house through the keyhole?
A plane crashed between the border of Mexico and America. Where do you bury the survivors?
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.
