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: C
Explanation
1. F140R → G280T
F → G (+1)
140 × 2 = 280
R → T (+2)
2. T220C → U440E
T → U (+1)
220 × 2 = 440
C → E (+2)
3. A229D → B468F
A → B (+1)
229 × 2 = 458 but given 468
D → F (+2)
4. E131W → F262Y
E → F (+1)
131 × 2 = 262
W → Y (+2)
Option 3 is different