How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

What does this rebus means ?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

The more it dries, the wetter it becomes. Can you tell what it is?

Solve below rebus puzzle?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?