Why are all black people so quick ?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Decode this picture on T-Shirt and tell what it says ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Which wheel of car does not rotate when you turn your car right?

Prove that the below maths equation is true.

8 + 8 = 91

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

What part of the chicken has the most feathers?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Can you name an animal whose killing cannot be performed without spilling your own blood?