MINDBENDER

1. If you reverse the two digits of Sarah’s age, add one and divide by two, you’ll end up with Sarah’s age. How old is Sarah? 2. What connects Carrie Fisher, Liza Minnelli and Hugh Hefner? 3. Which famous Swiss might have REFERRED OGRE? 4. Which is the odd one out: pituitary, thalamus, pineal, thyroid? 5. Which three-letter word completes the following longer words: ba---, ---k, mu---, clas---?