Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

In which direction should the missing arrow point?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What does a man do only once in his lifetime, but women do once a year after they are 29?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Solve the mathematical equation in the picture below.