What four weights can be used to balance from 1 to 30 pounds?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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?

Solve the following series:
AZ, GT, MN, __, YB

What do you answer even though it never asks you questions?

What number should come in place of the question mark below?

What makes this number unique: 8,549,176,320?