Why do Chinese men eat more rice than Japanese men do ?

Solve this riddle by finding the odd one out from the rest.

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

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

What is the centre of gravity?

What does the below image rebus riddle means ?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

My location can be determined by the below rebus.
So where am i ?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.