I have branches, but no fruit, trunk or leaves. What am I?

What is the below Rebus indicate?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

What goes up but never comes down?

what does the below rebus means?

What time is it when an elephant sits on a fence?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I am sure no one can have two things for dinner. what are they?

Can you place three balls such that the equation shown in the picture holds true?