The house is at the north pole... as all windows would therefore face south. The bear is a polar bear (a native of the Arctic) and it's fur colour would be white.

hey! that seems easy for you Steve! Is there any riddle you can't find the answer?

The Meaning of Life ! ....

or as most people who have read Douglas Adams book "The Hitchikers Guide to the Galaxy" will tell you... It's 42 :)

(a group of hyper-intelligent pan-dimensional beings demand to learn the Answer to the Ultimate Question of Life, the Universe, and Everything from the supercomputer, Deep Thought, specially built for this purpose. It takes Deep Thought 7½ million years to compute and check the answer, which turns out to be 42. Unfortunately, The Ultimate Question itself is unknown)

Ouch! Next time don't answer so quickly! Everyone is not as smart as you ;)

Sorry Andrii :( I'm not that smart, I just knew the answer :0 I shall remain in perpetual silence from now on... well until my next post/answer :)