GRE Quant Permutation Practice. Number of squares in a chess board - Videos

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Video explanation to an all time classic permutation combination question.

Question
How many squares are there in a chess board?
A. 64
B. 65
C. 4096
D. 1296
E. 204

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More practice questions with video explanation for GRE Permutation Combination and Probability @ https://practice-questions.wizako.com/gre/quant/permutation-combination-probability/

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