Can you place six X (crosses) in below board without making three in a row in any way ?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

What always comes into a house through the keyhole?

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

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

My location can be determined by the below rebus.
So where am i ?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

A large water tank has two inlet pipes (a large one and a small one) and one outlet pipe. It takes 3 hours to fill the tank with the large inlet pipe. On the other hand, it takes 6 hours to fill the tank with the small inlet pipe. The outlet pipe allows the full tank to be emptied in 9 hours.

What fraction of the tank (initially empty) will be filled in 0.64 hours if all three pipes are in operation? Give your answer to two decimal places (e.g., 0.25, 0.5, or 0.75).

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?