Find the number of squares in the below picture

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Which number comes next in the number series?

2, 9, 30, 93, ?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

I am lying and I always lie. Tell me whether I am lying or telling the truth.