Question
Select the option in which the numbers share the same
relationship in set as that shared by the numbers in the given set. (Note: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., Operation on 13 such as adding/subtracting/ Multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed) (14, 22, 72)Solution
The logic is: Third number = (First number + Second number) x 2 In (14, 22, 72), Third number = (14 + 22) x 2 = 36 x 2 = 72 Checking options: A) (10 + 15) x 2 = 25 x 2 = 50, matches. B) (12 + 18) x 2 = 30 x 2 = 60, matches. C) (20 + 25) x 2 = 45 x 2 = 90, matches. D) (8 + 13) x 2 = 21 x 2 = 42, which is not equal to 45.
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