The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Below rebus represent famous DiCaprio movie. Can you name it?

Spot what is wrong here in below Picture?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

What kind of band never plays music?

Can you solve the below tricky visual equation?

What is black when you buy it, red when you use it, and gray when you throw it away?

Replace the question mark with the correct number below.

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?