In the following question, four letter-number pairs are given. The letter-number on the left side of (–) is related to the letter-number on the right side of (–) with some Logic/Rule/Relation. Three pairs are similar on the basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.
(NOTE: Operations should be performed on the whole numbers, without breaking down the number into its constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
Show answer & explanation
Correct answer: D
Explanation
1. XR432 – ZU216
XR → ZU → (+2, +3)
432 ÷ 2 = 216
2. FN504 – HQ252
FN → HQ → (+2, +3)
504 ÷ 2 = 252
3. TC386 – VF193
TC → VF → (+2, +3)
386 ÷ 2 = 193
4. BM290 – DP155
BM → DP → (+2, +3)
290 ÷ 2 = 145 whereas 155
Only 4 does not follow the number law (÷2).
Correct answer = BM290 – DP155