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Select the number that best completes the analogy: 5 : 130 :: 7 : ?

Competition practiceAnalogy & Classification
  • A343
  • B350
  • C356
  • D336

Step-by-Step Solution

The relation is n : n cubed plus n. Here 5 cubed is 125 and 125 + 5 = 130, so the answer is 7 cubed plus 7 = 343 + 7 = 350. The trap is 343, the cube taken alone; 356 would follow from adding 13 and 336 from subtracting 7 instead of adding it.
Answer: B) 350

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