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

What number divided by 4 is the same as that number minus 4?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

I have eight fingers and two thumbs but I do not live. What Am I?

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

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

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

You bought me for dinner but never eat me. What am I?