Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
14 : 21 :: 34 : ? :: 47 : 87
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 61
14 : 21 :: 34 : ? :: 47 : 87
14 : 21 can be written as 14 : (14 × 2) - 7
47 : 87 can be written as 47 : (47 × 2) - 7
34 : ? can be written as (34 × 2) - 7 = 68 - 7 = 61.