81 x 9 = 801. What must you do to make the this equation true?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Which is the smallest number that you can write using all the vowels exactly once?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Replace the question mark with the correct number in the below-given picture?

Count the number of triangles in the given picture.

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

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?