What does below rebus means ?

Which flower has two lips?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

How many triangles can you find in this given picture?

Replace the question mark with the correct number below.

Why is Saturday stronger than Monday?

Can you find the hidden animal in the picture below?

What Does this text mean:

important=important

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I’m tall when I’m young, and I’m short when I’m old. What am I?