Question : Directions: If 14 # 3 @ 4 = 46 and 19 # 4 @ 3 = 79, then 21 # 4 @ 1 = ?
Option 1: 25
Option 2: 92
Option 3: 85
Option 4: 97
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Correct Answer: 85
Solution : Given: 14 # 3 @ 4 = 46, and 19 # 4 @ 3 = 79
Here, replace # and @ with × and + respectively in the given equations to get the answer. Like, 14 # 3 @ 4 = 46→14 × 3 + 4 = 42 + 4 = 46 And, 19 # 4 @ 3 = 79 →19 × 4 + 3 = 76 + 3 = 79 Similarly, 21 # 4 @ 1 = 21 × 4 + 1 = 84 + 1 = 85
So, 85 is the required answer to the given equation. Hence, the third option is correct.
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