15 is related to 45 following a certain logic. Following the same logic, 25 is related to 125. Which of the following numbers is related to 80 using the same logic?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 20.
Logic: 15 is related to 45
15 × 3 = 45
25 is related to 125
25 × 5 = 125
Similarly, 20 is related to 80.
20 × 4 = 80