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

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

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?

When can we add 2 to 11 and get 1 as the correct answer?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

Make a sentence consisting of three words that have the whole alphabet.

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

How many triangles can you count in the figure given?

What is the next shape from answers A, B, C, and D figure?