How much do the Metropolitan Police in London spend on changing a light-bulb?   Answer here

Who is the real Siri ( Apple's built-in speech-recognition "personal assistant".)?   Answer here

What did Channel 4 allegedly pay Holocaust denier David Irving thousands of pounds for?   Answer here

What are the top ten sounds that drive office staff round the bend?   Answer here

When do girls in the UK start wearing make-up?   Answer here

Which three questions will tell you if your relationship is likely to last?   Answer here