Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Keyboard words are not in alphabetical order, Why?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

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?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?