What has no start, end, or centre?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

I am sure no one can have two things for dinner. what are they?

What do you see in the image below

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

What does the below image rebus riddle means ?

Move four matchsticks to the below square to form three squares?

The centre of the third figure is empty. What digit should fit inside?

Can you find out the missing number in the grid?