Question : Directions: If 11 & 25 = 18, 12 & 20 = 16 then, what is the value of 4 & 50 = ?
Option 1: 42
Option 2: 17
Option 3: 27
Option 4: 37
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Correct Answer: 27
Solution :
Given:
11 & 25 = 18, 12 & 20 = 16, 4 & 50 = ?
Use the following operations in place of the given symbols & –
Like, 11 & 25 = 18→(11 + 25) ÷ 2 = 36 ÷ 2 = 18
And, 12 & 20 = 16→(12 + 20) ÷ 2 = 32 ÷ 2 = 16
Similarly, follow the same pattern for 4 & 50→(4 + 50) ÷ 2 = 54 ÷ 2 = 27
Hence, the third option is correct.
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