An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

What type of tree can I carry in my hand?

Find the hidden tiger in the given optical illusion ?

Can you count the number of triangles in the given picture?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

Can you name an animal whose killing cannot be performed without spilling your own blood?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?