SOLUTION:
Generally you’ll get two answers. Both answers are correct, because the grammatically incorrect use of the word “was” introduces ambiguity. The two versions of the question that lead respectively and unambiguously to the two different answers are “yesterday had been tomorrow” and “yesterday were to be tomorrow.”
Edit: Today is Thursday. Tomorrow is Friday. If yesterday had been tomorrow (Friday) then today would be Saturday.
Today is Monday. Yesterday was Sunday. If yesterday (Sunday) were to be tomorrow then today would be Saturday.
In our case the right answer is B) – Monday
Advantages Of Riddles: Get A Conclusion
Why are riddles needed in life? A riddle is a problem that checks a person’s knowledge or mental skills. While solving a riddle, the solver has to put the pieces together logically to get the correct or fun answer for a question or riddle. You may question,” What the person gains by doing so?” The answer is very interesting. When he finds the answer, by logically putting the pieces, he will get better solving skills and memory power, which can improve himself. When you solve a riddle, you must notice different pieces and discover their place within the bigger picture. Solving this way might improve your visual-spatial reasoning.