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Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(11, 22, 44) (15, 12, 42)
(3, 3, 15)
(21, 42, 63)
(12, 24, 39)
(18, 8, 44)
- Looking at set (11, 22, 44):
- Explanation: Second number is twice the first (11 x 2 = 22) and third number is twice the second (22 x 2 = 44).
- Set (15, 12, 42):
- Explanation: Unrelated pattern with no doubling relationship.
- Option 1 (3, 3, 15):
- Explanation: Third number is five times first and second, no doubling pattern.
- Option 2 (21, 42, 63):
- Explanation: Second number is twice the first (21 x 2 = 42) and third is 1.5 times the second (42 x 1.5 = 63), matching the doubling relationship closely.
- Option 3 (12, 24, 39):
- Explanation: Second number is twice the first (12 x 2 = 24) but third number does not follow the same doubling logic.
- Option 4 (18, 8, 44):
- Explanation: Unrelated pattern with no observable doubling.
- Correct Answer: Option 2 (21, 42, 63) as it follows a double to 1.5x sequence.
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