If 7 $ 2 = 23 and 5 $ 3 = 23 then 7 $ 3 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 31.
7 $ 2 = 23 → (7 × 2) + (7 + 2) = 14 + 9 = 23
5 $ 3 = 23 → (5 × 3) + (5 + 3) = 15 + 8 = 23
Similarly, 7 $ 3 = ? → (7 × 3) + (7 + 3) = 21 + 10 = 31