Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

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?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

How many bananas can you eat if your stomach is empty?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?