Question
Select the set in which the numbers are related in the
same way as the numbers of the following sets. (Note: Operations must be performed on whole numbers.) (12, 18, 48) (15, 20, 55)Solution
The third number is calculated by adding the first number to twice the second number. Formula: 3rd Number = (2 x 2nd Number) + 1st Number Set 1 (12, 18, 48) → (2 x 18) + 12 = 36 + 12 = 48 Set 2 (15, 20, 55) → (2 x 20) + 15 = 40 + 15 = 55 A) (10, 15, 45) → (2 x 15) + 10 = 30 + 10 = 40 B) (21, 25, 77) → (2 x 25) + 21 = 50 + 21 = 71 C) (14, 22, 58) → (2 x 22) + 14 = 44 + 14 = 58 D) (18, 24, 64) → (2 x 24) + 18 = 48 + 18 = 66
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