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Which of the following figures cannot be created with 16 dots?

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Rectangle

Square

Line

Triangle

answer is C.

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Detailed Solution

Some numbers can be arranged in the form of a triangle. The top row of the triangle contains 1 dot. From the top row onwards, the number of dots in each row increases as 1, 2, 3 …

Thus, 15 dots can be shown as a triangle:

Question Image

Number of dots in the next row of the triangle will be 6, then the number of dots in the triangle will become 21.

Thus, sixteen dots cannot be arranged in the form of a triangle.

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