Question : Directions: Three of the following four-letter clusters are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?
Option 1: RSU
Option 2: XYA
Option 3: DEG
Option 4: ZAB
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Correct Answer: ZAB
Solution :
Let's check each option –
First option:
RSU; R + 1 = S; S + 2 = U
Second option:
XYA; X + 1 = Y; Y + 2 = A
Third option:
DEG; D + 1 = E; E + 2 = G
Fourth option:
ZAB; Z + 1 = A; A + 1 = B
So, only the fourth option is different from the other three options because the difference between the place values of the second and third letters is 1 instead of 2. Hence, the fourth option is correct.
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