Question
Select the number-pair in which the two numbers are
related in the same way as are the two numbers of the given number pair. 13 : 338Solution
13 : 338 → 13 x (13 x 2) = 13 x 26 = 338 9 : 164 → 9 x (9 x 2) = 9 x 18 = 162 13 : 455 → 15 x (15 x 2) = 15 x 30 = 450 7 : 98 → 7 x (7 x 2) = 7 x 14 = 98 2 : 10 → 2 x (2 x 2) = 2 x 4 = 8
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