A father's child, a mother's child, yet no one's son.
Who am I?
I possess a head
I flaunt a tail
But I don't have mouth or legs
Can you find out who I am?
Use the digits from 1 up to 9 and make 100.
Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)
Question: how can we do this?
How many times do a clock's hands overlap in a day ?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.
How many candles Sayna have at the end?
If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?
What begins with T, ends with T, and has T in it?
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.
He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.
He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.
How in heaven did he deduce that?
Which part of London exists in France as well ?
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.