http://www.admissionstests.cambridgeasse…
thank you
(QUESTION 13)
explain your logic, methoding, and how your thinking process carried out the question from the begining
thanks
thank you
(QUESTION 13)
explain your logic, methoding, and how your thinking process carried out the question from the begining
thanks
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Alex, the point of this exercise is to get you to experiment, thereby getting insight. To narrow down the possibilities, I would think it is enough to start with the case when each bag has just 3 marbles.
So, let X, Y, Z denote 3 different colors, and suppose you are starting with two bags as follows:
L: X, X, X R: Y, Y, Z
Now, it is easy to "carry out" the procedures described in the problem (by writing down the bag contents after each step).
Such experimentation is much more productive, and offers a much greater long-term learning value for a future biomedical scientist or engineer, than having someone give the answer.
So, let X, Y, Z denote 3 different colors, and suppose you are starting with two bags as follows:
L: X, X, X R: Y, Y, Z
Now, it is easy to "carry out" the procedures described in the problem (by writing down the bag contents after each step).
Such experimentation is much more productive, and offers a much greater long-term learning value for a future biomedical scientist or engineer, than having someone give the answer.
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I just noticed a nuance in the problem: after tipping the right-hand bag, we see that "half" the marbles are red. That means, the right-hand bag originally contained an *even* number of marbles. So, try the experiment with 3 marbles on the left, and 4 marbles on the right.
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