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.
18: 123:: 15: ?:: 19: 130
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 102.
The logic used here is:
18: 123
18 × 7 - 3 = 126 - 3 = 123
19: 130
19 × 7 - 3 = 133 - 3 = 130
Similarly,
15:?
15 × 7 - 3 = 105 - 3 = 102
Hence, option 3 is the correct answer.