A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

Which tank will fill first?

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?

What is the end of everything?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What country can make you shiver?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?