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

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What does a man do only once in his lifetime, but women do once a year after they are 29?

Solve the rebus riddle in the picture below.

Using eight eights and addition only, can you make 1000?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

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

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

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

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