If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

What makes this number unique: 8,549,176,320?

Can you count the number of lines in the below picture?

A letter is hidden in the image in plain sight. Can you spot it in 6 seconds? Test your eye power now!

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?