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If 3 # 4 = 25, 5 # 12 = 169 and 6 # 8 = 100, then 8 # 15 = ?

Competition practiceReasoning & Mental Ability
  • A289
  • B23
  • C529
  • D120

Step-by-Step Solution

Here a # : 9 + 16 = 25, 25 + 144 = 169, 36 + 64 = 100. So 8 # 15 = 64 + 225 = 289.
Answer: A) 289

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