Identify the hidden meaning behind this picture?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

Look at the picture and find out which square is not linked with any of the other squares.

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Find the missing number in the image below.

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Why is the Hole below a Lock?

Complete the table series riddle by finding the number that can replace "??".