Good Riddles

Riddle (medium)

Question: I can be curved or straight And have many legs But with four letters less I am exactly the same What am I?(5 letters)

Question: What did the hang glider say about autumn rock climbing?

Logic (medium)

Question: What does the president do every day

Question: I can be found all around the world I can be stricken but not feel it Both the moon and the sun know who I am I can be seen twice a day and 730 times a year What am I?

The block (medium)

Question: How do you run around your block 10 times without breathing heavily?