non-verbal reasoning cubes practice 0

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    Non-verbal reasoning: Cubes practice

    Working with the nets of cubes can be tricky, but lots ofpractice will boost your confidence.

    The colours and shading on cubes can appear different when you’reexamining the net (vertical lines become horizontal and vice versa when

     folded), so take some time to make and play with these 3D cubes andsee how they change as you move them and put them on different sides.

    It’s also helpful to learn to identify the common nets ofcubes at a glance, so here they are:

    Even though a cube

    has 6 faces, non-verbal

    reasoning questions will

    only ask you to relate the

    3 faces presented in the

    different cubes.

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    In these questions, the figure shown on the left is a 3D object.Find the top view of the figure from one of the choices.

    CUBES PRACTICE EXERCISES 1-8

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    Start by discounting obviously wrong answers: B

    (features a spot side that isn’t on the net), A and C

    (there aren’t two adjacent black sides on the net),

    and E (there aren’t three adjacent white sides on

    the net). Check your answer, D, to see that all the

    sides are in the correct position (which they are).

    Answers:

    Use the grey side, which appears on all five cubes,

    as your anchor. By looking at each cube individually

    you’ll find the only potential answer, E.

    Discount the cubes which have sides that don’t

    appear on the net (B, C, E). On cube A the H side,

    dotted side and black side all appear in the correct

    position, so that is the right answer.

    Discount the cubes which have sides that don’t

    appear on the net (B, C, D). The net doesn’t have

    three adjacent white sides, so option E can also

    be discounted. The correct answer is A.

    A, D and E can be discounted immediately as the

    net doesn’t have grey sides or two white sides. The

    spotted side and black sides aren’t adjacent on the

    net, so B can’t be the correct answer, it must be C.

    Check the cube to confirm!

    Discount option A (the net doesn’t have two white

    sides). It can’t be option B, because the dotted side

    wouldn’t be visible if the adjacent black sides were

    both visible. C and D are also incorrect, because

    the sides we can see on the cubes don’t match their

    placement on the net. The correct answer is E.

    A and C can be discounted (the net doesn’t have

    two white sides or two black sides). Working from

    left to right, test option B first, and it fits. Check your

    answer and move on.

    A tricky question, as we can’t discount any options

    immediately. Working from left to right, look at each

    cube and discount it when you realise that the 3D

    view doesn’t match the net. The correct answer is D.

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