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Select the option that is related to the third number in the same way as the second number is related to the first number. 7 : 42 :: 18 : ?

A304

B302

C308

D306

Answer:

D. 306

Read Explanation:

7 × (7 - 1) = 7 × 6 = 42. 18 × (18 - 1) = 18 × 17 = 306.


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