Question

    In each problem, out of the four figures marked (1) (2) (3) and (4), three are similar in a certain manner. However, one figure is not like the other three. Choose the figure which is different from the rest.

    A 1 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer

    Solution

    Only in fig. (4), the pin passes through a vertex of each one of the two elements.

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