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?

Which Travels Faster? Solve below famous picture riddle:

I cannot talk, but I always reply when spoken to. What am I?

What makes this number unique: 8,549,176,320?

What kind of tree can you carry in your hand?

Can you replace the question mark with the correct number in the below table sequence?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Can you find out the remainder when 3^300 is divided by 5?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?