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      Question

      Select the option that is related to the third number in

      the same way as the second number is related to the first number. 18: 163 :: 15 :?
      A 70 Correct Answer Incorrect Answer
      B 82 Correct Answer Incorrect Answer
      C 90 Correct Answer Incorrect Answer
      D 100 Correct Answer Incorrect Answer

      Solution

      The logic followed here is as follows, First number Γ— Sum of digits of first number = Second number.

      18 Γ— (1 + 8) = 18 Γ— 9 = 163

      Similarly for 15:? β†’ 15 Γ— (1 + 5) = 15 Γ— 6 = 90.

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