Can you solve the photo plexer logic ?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Find the last number in the series below:

voN luJ yaM raM ---

What will you call your mother's brother's brother-in-law?

What can you catch but never throw?

Can you fill the blank with the correct number?

6 30 870 756030 _____

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What is full of holes but still holds water?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?