Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

What number comes next in the series?

5 15 5 18 5 24 14 20 _

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Which is faster, Heat or Cold ? Explain.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Can you decipher the two rows to find the hidden word?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?