What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

I look at you, you look at me I raise my right, you raise your left. What am I?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

What has 88 keys?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Replace the question mark with the number below given a simple math problem.

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

When we see 2 but call 10?