In the image below, can you find the value of an angle(y)

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

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

Replace the question mark with the correct number below.

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Take one out and scratch my head, I am now black but once was red. What am I?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?