If 7 $ 3 = 55 and 6 $ 2 = 40, what is 8 $ 3?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 70.
7 $ 3 = 55 → 72 + 3 × 2 = 49 + 6 = 55
6 $ 2 = 40 → 62 + 2 × 2 = 36 + 4 = 40
Then, 8 $ 3 → 82 + 3 × 2 = 64 + 6 = 70