8 is related to 45 following a certain logic. Following the same logic, 12 is related to 65. Which of the following is related to 80 using the same logic?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 15.
8 is related to 45 → 8 × 5 + 5 = 45
12 is related to 65 → 12 × 5 + 5 = 65
Similarly, ? is related to 80 → 15 × 5 + 5 = 80