Who can jump higher than a Mountain?

When can we add 2 to 11 and get 1 as the correct answer?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What can jump higher than a building?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

Using eight eights and addition only, can you make 1000?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Which Travels Faster? Solve below famous picture riddle:

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?