How many did you get right?
HOROBOD is a clue to the identity of whom?
Answer: Robin Hood (the word 'Rob' INside 'Hood')
What can't you hold for 30 minutes yet has hardly any weight?
Answer: Your breath
What happened in London on September 31st, 1956?
Answer: Nothing... September 31st doesn't exist
What can explode slowly, with no smoke or flame?
Answer: A population
What do you cut on a table and pass round, but would never eat?
Answer: A deck of cards