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

What is more useful when it is broken?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

Why is it very easy to weigh a fish?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

I add 5 to 9 and get 2. The answer is correct, so what am I?

I taste better than I can smell. Who am I?