Answer to Riddle 15 - Drying Six Dresses

What? In six hours? No, no, they will also dry in one hour. They are dried at the same time.

Answer to Riddle 16 - Four Quart Milk

Oh, how can you measure 4-quart of milk with such odd measures? Yes, you can. Take your 5-quart measure, fill it with milk and pour it into your 3-quarter pot. Two quarter milk remains in 5-quarter measure. This you should pour in your customer's pot. Then take your 5-quart measure again, and repeat the process. So again you are pouring 2 quart milk in your customer's pot. Like this your customer will have 4 quarter milk in his pot. 

Answer to Riddle 17 - Border Problem

Plane has crashed. Where are the survivors? There is none.

Answer to Riddle 18 - Two Coins Problem

They are a quarter (25) and a 5.

Answer to Riddle 19 - Add These

It is three. Why? It seems that it could be either, but it is not so. You follow the mathematical orders of operation, write it like this - (half of 2) 2/2 + 2. Division is performed first, so 2/2 = 1. Then add 2 to the result - 1, that comes 3. So the answer is 3 not 4.

Answer to Riddle 20 - Dig Half a Hole

What is half a hole? It is impossible to dig half a hole. Either you have a hole, or you don't have it. There is nothing like half a hole - of course unless its measurements are given.

Answer to Riddle 21 - Match the Noun

It is only Goose. Why? The other nouns in List B can be pluralized by adding "s" to them; while all the nouns in List A  have to be changed to a different word to make their plural, e.g. man to men, foot to feet etc. In List B there is only one noun Goose which can be changed to a different word.

Answer to Riddle 22 - Truck problem

Not at all. It would not collapse. Why? Because it has already driven half mile, so subtract the gas already used from the total weight of the truck.