If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Which famous Hollywood movie name is hidden in the below rebus?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

What has lots of eyes, but can’t see?

How many triangles can you count in the figure given?

Spot what is wrong here in below Picture?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Solve the counting riddle by identifying the number of triangles in the given picture.