How many days are there in 4 years?

Answer: 1461, because one of the years is a leap year. 365 x 4= 1460 + 1= 1461

Solution:

What falls down but is never injured?

Answer: The rain.

Solution:

If Chicken and Egg cost is 108 coins then what is the of cost Egg now?

Answer: The egg costs 4 coins and the chicken 104 coins.

Solution:

Let egg be E and chicken be C
C+E =108 …(i)
While
C=E-100 …. (ii)
Put (ii) in (i)
E-100+E=108
2E=108-100
2E = 8
E = 4
So , egg = 4
And chicken =104

I cannot be used until I have been broken. What am I?

Answer: egg

Solution:

My favorite foods are beer and doughnuts, I went to space and won a Grammy, I love to fall asleep at work and I am a father of 3. Who am I?

Answer: Homer Simpson

Solution:

What is it that you ought to keep after you have given it to someone else?

Answer: promise

Solution: