CA Foundation · Quantitative Aptitude · Number Series, Coding-Decoding and Odd Man Out
Find the next term in the series: AZ, CX, FU, JQ, ?
The next term is OL. The first letters rise by 2, 3, 4, then 5, moving from J to O, while the second letters fall by 2, 3, 4, then 5, moving from Q to L.
- AOLCorrect
- BNL
- COK
- DPL
Explanation
First letters: A=1, C=3, F=6, J=10 add 2, 3, 4, so next adds 5 giving 15=O. Second letters: Z=26, X=24, U=21, Q=17 subtract 2, 3, 4, so next subtracts 5 giving 12=L. The term is OL. NL results from adding only 4 to J.
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