MINDBENDER

1. A certain number is converted to binary notation, its digits reversed, and then converted back into decimal notation again to give the number 173. What was the original number? 2. What connects card, palace and window? 3. Which British middleweight boxer might RENT ANIMAL out? 4. Which is the odd one out: My Cousin Rachel, The Waves, Mrs Dalloway, To The Lighthouse? 5. Using the chemical symbols, which protective frame may contain iron, neodymium and erbium?