Question

If 9 @ 3 = 36 and 6 @ 2 = 16, then 8 @ 2 = ?

• A. 20
• B. 18
• C. 19
• D. 17

Answer 1

Answer:

A. 20

Look for a pattern:

• (9 @ 3 = 36)

• (6 @ 2 = 16)

Notice:

$9 @ 3 = (9+3)\times 3 = 12\times 3 = 36$
$6 @ 2 = (6+2)\times 2 = 8\times 2 = 16$

Using the same rule:

$8 @ 2 = (8+2)\times 2 = 10\times 2 = 20$

Answer: 20