GRE Problem Solving Question 901

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Mary is building a pyramid out of stacked rows of soup cans. When completed, the top row of the pyramid contains a single soup can, and each row below the top row contains 6 more cans than the one above it. If the completed pyramid contains 16 rows, then how many soup cans did Mary use to build it?

  • A 91
  • B 96
  • C 728
  • D 732
  • E 736

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