During which month do people sleep the least?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I shave every day, but my beard stays the same. What am I?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

What word begins and ends with an E, but has only one letter?

Which Travels Faster? Solve below famous picture riddle:

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

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