How can a man go eight days without sleep?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What is the next shape from answers A, B, C, and D figure?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

Can you count the number of triangles in the given figure?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

They are three errirs in this question. Can you find them?

What is more useful when it is broken?

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