If 40 @ 2 # 3 = 83 and 60 @ 2 # 5 = 125, then 39 # 13 @ 5 = ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 104.
@ → ×; # → +
40 @ 2 # 3 = 83 → 40 × 2 + 3 = 83
60 @ 2 # 5 = 125 → 60 × 2 + 5 = 125
Then 39 # 13 @ 5 = ? → 39 + 13 × 5 = 104