Select the option that is related to the third word in the same way as the second word is related to the first word.
9 : 28 :: 13 : ?
Answer & explanation
Correct answer: option 2
The second term is obtained by multiplying the first by 3 and then adding 1,
(9 x 3) + 1 = 28
By the same logic, fourth term is (13 x 3) + 1 = 40