Sum of Two Consecutive Triangular Numbers Is a Square Number
Consider the ...
Question
Consider the following matrix with one empty block in the lower extreme corner:
Which of the following figures could fit in the empty block and thus complete the matrix?
A
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B
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C
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D
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Solution
The correct option is A It can be observed easily that the number of circles keeps on decreasing by one and the number of triangles increases by one in a particular row.
Therefore, the missing figure would have to have two triangles only.