Test your wit :-)

1. What do you put in a toaster?

2. Say "SILK" five times. Now spell "SILK". Ok... what do cows drink?

3. If a red house is made from red bricks, a blue house is made out of blue bricks, a pink house is made out of pink bricks, a black house is made out of black bricks, what is a green house made of?

4. If on a clock, the hour hand moves 1/60th of a degree every minute, then how many degrees will the hour hand travel in one hour?

I have put the answers in the 'comments' section. Please don't look at the answers before you try all the questions. Lets see if anyone gets all of them correct :-)