There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

What does this rebus photo means?

Can you identify the hidden rebus in the image below?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

What Does this text mean:

important=important

What does the below rebus riddle means?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

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?