MINDBENDER

1. The first digit of Dan’s six-digit phone number is double the second, which is half the sum of the third and fourth digits, which is four times as much as the fifth digit, which is five less than the sixth. If no digit is repeated within the phone number, what is the second digit? 2. What connects sweet success, straight eight and burpless? 3. Which cameo-making director may run SNAKE PROJECT? 4. Which is the odd one out: deci, nano, pico, deca? 5. Which three-letter word completes the following longer words: re---e, ---he, ---tle, ding---?