What is the next number in the series?

15 29 56 108 208 ?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

People make me, save me, change me, raise me. What am I?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

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

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

When it's bad luck to meet a black cat?