What breaks yet never falls, and what falls yet never breaks?

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

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

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

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

With the help clues provided in the image, can you find the 5 digit key?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?