what does the below rebus means?

Why are all black people so quick ?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

What is so fragile that saying its name breaks it?

Find the Goldfish below the given Image.

When we see 2 but call 10?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?