How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

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?

Identify The phrase in the picture.

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Complete the table series riddle by finding the number that can replace "??".

Find the value of "?" in the ball picture Riddle below:

Who can jump higher than a Mountain?

Can you replace the question mark with the correct number in the below table sequence?

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".