When can we add 2 to 11 and get 1 as the correct answer?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

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

What building has the most stories?

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?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Spot what is wrong here in below Picture?

You need to arrange three 7 and mathematical symbols to form number 1?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?