Question : Directions: If 4 @ 9 # 3 = –2, and 11 # 2 @ 6 = 7, then 14 @ 3 # 7 = ?
Option 1: 16
Option 2: 18
Option 3: 4
Option 4: 10
Correct Answer: 18
Solution :
Given:
4 @ 9 # 3 = –2; 11 # 2 @ 6 = 7
To solve the given equation, replace all occurrences of
@
with – and # with +, and then solve the resulting equation.
Like, 4 @ 9 # 3 = – 2; 4 – 9 + 3 = –2
11 # 2 @ 6 = 7; 11 + 2 – 6 = 7
Similarly, for 14 @ 3 # 7; 14 – 3 + 7 = 18
Hence, the second option is correct.
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