Problem: An enligtening paradoxical anecdote with no solution, used in Zen Buddhism, illustrating shortcomings of logical reasoning is a?
Answer: koan

Problem: Maria Bicknell married which English artist in 1816?
Answer: john constable

Problem: Which venomous snake is able to dilate its neck into a hood?
Answer: cobra

Problem: The Book of Kells is in which city?
Answer:
dublin