Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

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?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

A blonde put eyeliner on her head. Why?

How many bananas can you eat if your stomach is empty?

Can you solve the below tricky visual equation?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

What word does this rebus represent?

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