Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What does this Rebus Picture means ?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

What is the end of everything?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What kind of tree can you carry in your hand?