I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

If six children and two dogs were under an umbrella, how come none of them got wet?

Keyboard words are not in alphabetical order, Why?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

What is the end of everything?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?