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

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

How can you make a TV, a bed, a dog, and a car liquid?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

Replace the question mark with the correct number in the below-given picture?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

If 21x = 79x, what is the value of x?