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

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

If 21x = 79x, what is the value of x?

Can you count the number of matches in the picture below ?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.