1. “Think of any card,” it's a wild guess but a spectator will almost always think of the Nine of diamonds, Ace of spades, Queen of Hearts or the Six of Clubs. Have each of those cards on you in one way or another and to reveal during this mind reading trick.
2. “Pick a number between 50-100 with even different digits.” Answer: 68.
3. “Pick a number between 1-1,000” Answer: 333.
4. Fan a set of cards with one royal and the 4H in the center, nine times out of ten the spectator will pick the four because it's in the center and it appears uncommon. (i.e. 7C,AD,4H,KH,9D)
5. Borrow a coin from someone, switch it and have them hold your coin in their hand, they bend it with their mind! Just stick your quarter in a vice and bend it ahead of time.
Say things to help your magic like: “Let me show you something strange, I'm going to try something, I've never done this before, It's bizarre, Do you (Did you) feel that? That's crazy, That's scary, Can I try something with you?”
These are just some mind reading techniques that you could incorporate in your act. A lot of the technique involved in mind reading style tricks is in the presentation, so it is important to have good entertaining patter and to look as if you actually believe that you can read minds. Magic is a performance art and so the better your performance, the more your audience will really believe in your magic.