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Question
Find the next term.
A5Z, B10Y, C15X, D20W, ____
Options:
A .   U20E
B .  E25V
C .   E30U
D .  U25E
Answer: Option B
:
B
The terms of the above sequence can be split into three sequences.
The first alphabet of each term: A, B, C, D
These are in alphabetical order, so the next term will have the alphabet E.
The sequence of numbers: 5, 10, 15, 20
These numbers are the multiples of 5, so the number in the number in the next term is 25.
The second alphabet of each term: Z, Y, X, W
These terms are in reverse alphabetical order, so the second alphabet in the next term is V.
Therefore, the next term in the sequence is E25V.

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