What can you hold in your right hand, but never in your left hand?

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

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?