Why Wine Glass Stem is so long?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

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

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

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

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

Out of four images which one is the odd one out?