What has hands, but can’t clap?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

What has to be broken before you can use it?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

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

What month of the year has 28 days?

What runs around the whole yard without moving?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?