I have feet, but no legs. Which animal Am I?

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

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

What's the best place to go shopping in the ocean?

Which is the rope you never skip with?

How can you drop a raw egg from a height onto a concrete floor without cracking it?