Which is heavier: a ton of bricks or a ton of feathers?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

It belongs to you, but other people use it more than you do. What is it?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

Take away the whole and some still remain. What is it?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

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

What begins with T, ends with T, and has T in it?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?