I think the author of the puzzle has a bad case of dyslexia. All the words are spelled right to left and the sentences are worded right to left.
Dammit! I had to figure this one out on my own. I couldn't cheat since no one on the internet knows the correct answer. It's not #4 because the water path is blocked. #1 and #3 show the water path going back upwards against gravity, thus slowing them down. #2 has no uphill climb in its path. I say it is #2
I tried cheating first. Didn't find the answer online. I'm quite positive that 90% would pass this test. But then there is common core math. So I think I'll pass on this one.
You have to use the new math rules to figure out the value of the king. Of course I did check my answer.
Here is the link to the new math that I was forced to use since people are now too lazy to write down the correct order of operations. https://www.purplemath.com/modules/orderops.htm