Parents collaborate with a demon against their child
When a man or a woman promises to give his or her child to a demon, he or she does not try to save the child but help the demon to catch him or her. Despite all, the boy or girl escapes from the demon
Person conceals his or her close relatives (children, mother, brothers) and tells another that he or she has killed them. Another believes and agrees to kill his or her own children, mother, etc.
Person conceals his mother or (rare) wife or mother-in-law, tells another that he has killed or sold her, another really kills or sells his mother (wife, mother-in-law)
Person claims that a man or a male animal had given birth (or is menstruating) or that a female gave birth to a young of another species or that a woman gave birth to an animal
Person proves the absurdity of the claims of another person saying that his or her father (or other man or a male animal) had given or is giving birth or is menstruating
Person claims that a calf (colt, kid, etc.) was born (brought to the place) not by the cow (mare, etc.) of another person but by his own male animal (bull, stallion, etc.), his own animal of another species or by inanimate object (usually a cart)
The thief drops first one, then the other, of a pair of matched objects (shoes, boots, sword and sheath, knife and folk) in the road. A person passes by the first object but, when he sees the second, he goes back for the first, leaving the animal (or other possessions) behind. The thief takes the animal
A weak person's demand will be granted if he brings a skin (paw, tears, etc.) of animals stronger than he. He fulfills the task using tricks (but usually does not receive the promised reward)
Person is put into a bag (a cage, tied up, etc.) to be drowned, burned, etc. He pretends to be in this situation by his own will or because he refuses to marry a princess, to become a chief and the like. Another person is willing to take his place and is killed