Which is the rope you never skip with?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

What is the word or phrase?

People make me, save me, change me, raise me. What am I?

What can you see in the middle of March and April that you can never see in any other month?

How can a man go eight days without sleep?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A father's child, a mother's child, yet no one's son.

Who am I?