Choose the set of numbers from the four alternative sets that is similar to the given set.
(8, 12, 18)
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → (7, 11, 17)
In the given set the numbers rise by 4 and then by 6: 8 + 4 = 12, 12 + 6 = 18. The answer set must rise in the same steps.
Option (1) (6, 12, 18) — steps of 6 and 6.
Option (2) (7, 11, 15) — steps of 4 and 4.
Option (3) (7, 11, 17) — steps of 4 and 6, the same as the given set.
Option (4) (9, 13, 20) — steps of 4 and 7.