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

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

I have eight fingers and two thumbs but I do not live. What Am I?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Which tank will fill first?

What is more useful when it is broken?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?