The answers are below, so please don't cheat. It is best to get your answers for all questions before looking below - to avoid the temptation of cheating 
Your answers should be spontaneous.
1: You are competing in a race and overtake the runner in second place. In which position are you now?
2: If you overtake the last runner in the race, what position are you now in?
3. Start with 1000. Add 40. Add another 1000. Add 30. 1000 again. Plus 20. Plus 1000. And plus 10. What is the total?
4: Marie's father has five daughters:
1. Chacha
2. Cheche
3. Chichi
4. Chocho
5. ????
Answers:
1. If you answered that you're now in first, you're wrong! You overtook the second runner and took his place, therefore you are now in second place.
2. If you answered second to last, you are wrong once again. Think about it... How can you overtake the person who is last? If you're behind them, they can't be last. You would have been last
3. Did you answer 5000? Wrong again! The correct answer is 4100.
Try it again using a calculator
4. Answer: Chuchu?
WRONG!
It's obviously Marie!
Read the question properly
Your answers should be spontaneous.
1: You are competing in a race and overtake the runner in second place. In which position are you now?
2: If you overtake the last runner in the race, what position are you now in?
3. Start with 1000. Add 40. Add another 1000. Add 30. 1000 again. Plus 20. Plus 1000. And plus 10. What is the total?
4: Marie's father has five daughters:
1. Chacha
2. Cheche
3. Chichi
4. Chocho
5. ????
Answers:
1. If you answered that you're now in first, you're wrong! You overtook the second runner and took his place, therefore you are now in second place.
2. If you answered second to last, you are wrong once again. Think about it... How can you overtake the person who is last? If you're behind them, they can't be last. You would have been last
3. Did you answer 5000? Wrong again! The correct answer is 4100.
Try it again using a calculator
4. Answer: Chuchu?
WRONG!
It's obviously Marie!
Read the question properly
