A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

What is the coolest letter in the alphabet?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What does this rebus mean?

O
N
C
E
TIME

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

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 do you answer even though it never asks you questions?