What can be placed at '?' if both side of '::' have same relationship between numbers: 85 : 42 :: 139 : ? Option 1: 68 Option 2: 69 Option 3: 70 Option 4: 67

Answer: 69. Solution: The relationship is: first number = 2 x second number + 1. For 85:42, 42 x 2 + 1 = 85. Applying the same to 139: let the missing number be n, then 2n + 1 = 139, so n = 69.

Logical Reasoning

Analogy

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What can be placed at '?' if both side of '::' have same relationship between numbers:

85 : 42 :: 139 : ?

✅ Correct Option: 2

The relationship is: first number = $2 \times$ second number + 1. For 85:42, $42 \times 2 + 1 = 85$ . Applying the same to 139: let the missing number be $n$ , then $2n + 1 = 139$ , so $n = 69$ .

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What can be placed at '?' if both side of '::' have same relationship between numbers: 85 : 42 :: 139 : ?

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What can be placed at '?' if both side of '::' have same relationship between numbers:

85 : 42 :: 139 : ?