Spot what is wrong here in below Picture?

When is the top of a mountain similar to a savings account?

There was a strange boy who was born before his father. How can this be possible?

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

Which number comes next in the number series?

2, 9, 30, 93, ?

Can you decipher the below rebus?

PBLUESAISNUERSES

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

Can you solve this picture maths equation?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

What is the below Rebus indicate?