What is significant about 3661 seconds past midnight on 1st January 2001?

Six glasses are in a row. The first three are filled with milk, and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

Nick timed himself and found out that if he wore a bright white outfit he ran 20 miles in 80 minutes, but when he wore a dark outfit, he ran 20 miles in one hour and twenty minutes. What does this mean for his next race?

If three cats catch three mice in three minutes, how many cats would be needed to catch 100 mice in 100 minutes?

I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat, and your heart grow cold, I visit the weak, but seldom the bold. What am I?

Though liquid in nature, don’t push me too far; for then I will break, and the damage may scar.
What am I?

If a cork and a bottle cost $2.10 and the bottle costs $2.00 more than the stopper, then what does the stopper cost?

I am the fountain from which no one can drink.
For many I am considered a necessary link.
Like gold to all I am sought for,
But my continued death brings wealth for all to want more.
What am I?

Hickory-Dickory-Dock!
The mouse ran up the clock.
The clock struck one
and down did come.
Hickory-Dickory-Dock!
What am I?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

A room with no windows or doors
Walks in the night, grows in a day,
Is found where there is death and decay.

Four children, Rob, Danny, Martha and Bent, had a race across the yard. Danny was as many places behind Martha as Bent was ahead of Rob. Martha was not first and Rob was not second.
Who was first, second, third and fourth?

He’s a boastful, puffed-up fellow, wearing spurs; eyes gleaming yellow. As he proudly struts about, he’s in charge, there is no doubt. What is he?

The sun bakes them, the hand breaks them, the foot treads on them, and the mouth tastes them. What are they?

Henry was out walking one day. He met his father-in-law’s only daughter’s mother-in-law. What did Henry call her?

If you have it, you want to share it. If you share it, you don’t have it. What is it?

What English word starting with a “B”, has three consecutive double letters?

A magician was boasting one day at how long he could hold his breath under water. His record was 6 minutes. A kid that was listening said, “that’s nothing, I can stay under water for 10 minutes using no types of equipment or air pockets!” The magician told the kid if he could do that, [...]

Why can’t you take a picture of a man with a wooden leg?

What can bring back the dead; make us cry, make us laugh, make us young; born in an instant yet lasts a life time?

I go up and down the stairs without moving.
What am I?

Even though the odds are always in favor of the gambling house, why does the establishment insist on a house limit on stakes?

What expression would these letters describe?
T
E
K
R
A
M

Old Mr. Tidy was found dead in his study by Mr. Fiend. Mr. Fiend recounted his dismal discovery to the police. “I was walking by Mr. Tidy`s house when I thought I would just pop in for a visit. I noticed his study light was on and I decided to peek in from the outside [...]

I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. I am given with pleasure when taken by force.
What am I?