What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

Solve the equation in the image by looking at the pattern closely.

Can you count the number of squares in the given picture?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?