Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

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

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What makes this number unique: 8,549,176,320?

Count the squares in the matchstick puzzle below?

There was a strange boy who was born before his father. How can this be possible?