Can it be possible to build a house that has all its four walls facing towards the South?

Which is faster, Heat or Cold ? Explain.

Can you find the company name in the pictogram below?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

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 does the below image rebus riddle means ?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?