12 is related to 16 following a certain logic. Following the same logic, 18 is related to 24. Which of the following numbers is related to 28 using the same logic?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 21.
As, 12 is related to 16
= 4 × 3 = 12 and 4 × 4 = 16
And, 18 is related to 24
= 6 × 3 = 18 and 6 × 4 = 24
Similarly, 28 is related is to
= 7 × 3 = 21 and 7 × 4 = 28
Hence, the coorect answer is "21".