Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

What goes up but never comes down?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What does this rebus mean?

O
N
C
E
TIME

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What jumps when it walks and sits when it stands?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

Imagine you are in a room with no windows or doors. How will you get out?