Civil Service Exam Reviewer · Logical Reasoning · hard

Find the missing number: 14 : 55 :: 49 : 143 :: 58 : ?

1. 169
2. 143
3. 520
4. 89

Answer

B. 143

Solution

Rule: each number is paired with the number plus its reversal. Check: 14 → 55 and 49 → 143. So 58 → 143.

More Logical Reasoning questions

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