Riddle #407

Everyone in the world needs it. They generously give it. But never take it. Then what is it?

What loses its head in the morning but gets it back at night?

Which is the rope you never skip with?

Where do fish deposit their money?

Why don't tigers like fast food?

What do you call 2 octopuses that look exactly the same?

What is blue, green, yellow, purple, brown, black, and grey?

What has one horn and gives milk?

Many years ago a wealthy old man was near death. He wished to leave his fortune to one of his three children. The old man wanted to know that his fortune would be in wise hands. He stipulated that his estate would be left to the child who would sing him half as many songs as days that he had left to live.The eldest son said he couldn't comply because he didn't know how many days his father had left to live and besides he was too busy. The youngest son said the same thing. The man ended up leaving his money to his third child a daughter. What did his daughter do?

On the first day they cover one quarter of the total distance. The next day they cover one quarter of what is left. The following day they cover two fifths of the remainder and on the fourth day half of the remaining distance. The group now have 14 miles left, how many miles have they walked?

I do not eat food. But I do enjoy a light meal every day. What am I?