Civil Service Exam Reviewer · Logical Reasoning · hard

Find the missing number: 62 : 36 :: 12 : 9 :: 38 : ?

1. 264
2. 121
3. 45
4. 73

Answer

C. 45

Solution

Rule: each number is paired with difference between the number and its reversal. Check: 62 → 36 and 12 → 9. So 38 → 45.

More Logical Reasoning questions

1. Find the missing number: 39 : 90 :: 85 : 89 :: 71 : ?
2. Find the missing number: 73 : 110 :: 97 : 176 :: 31 : ?
3. Find the missing number: 35 : 88 :: 62 : 88 :: 18 : ?
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5. Find the missing number: 72 : 45 :: 76 : 9 :: 29 : ?
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8. Find the missing number: 13 : 183 :: 6 : 43 :: 5 : ?
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