I was really stunned by this activity and it was the first time, i was able to appreciate the theory fully convinced. This test is very simple and proves that our mind is biased by experience and exposure to approach the problems in certain fixed ways which restrict our creativity.
We have created perceptions of everything around us, always thinks based on our prior experience which is harming our novelty. It is equally important to unlearn things as learn. Same solution does not work in every case or it it works, it is not the optimum one. We should try to attempt every problem in an independent manner.
This test is available on the internet free of cost. I was flabbergasted after the activity is over and we are discussing its results. How this problem initially sets our thinking in particular direction and later makes us blind as we try all the other very simple problems in a similar fashion.
Same is the case with life. Sometimes, we find ourselves so occupied and stressed amidst this complexity of life that we always try our experiences and tested approaches to problems and fail to realize their simplicity. Our perceptions and judgements sometimes makes us blind and we "throw out the baby with the bath water."