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?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

If 1+9+8=1, what is 2+8+9?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?