If 5 @ 3 = 28 and 4 @ 2 = 18, then what is 6 @ 4?
2025
If 5 @ 3 = 28 and 4 @ 2 = 18, then what is 6 @ 4?
- A.
40
- B.
52
- C.
64
- D.
76
Attempted by 23 students.
Show answer & explanation
Correct answer: A
The operation is a @ b = a^2 + b. So 5 @ 3 = 25 + 3 = 28 and 4 @ 2 = 16 + 2 = 18. Therefore 6 @ 4 = 36 + 4 = 40.