Complete the series. ZA144, YB121, XC100, WD81, ?
Question and options
Complete the series.
ZA144, YB121, XC100, WD81, ?
ZA144, YB121, XC100, WD81, ?
- UF 64
- VF 64
- VE 64
- VE 65
Answer and explanation
Correct answer: C - VE 64
First letter goes backwards Z,Y,X,W,V; second goes forward A,B,C,D,E; numbers are 12^2,11^2,10^2,9^2, so next is 8^2=64. Answer VE64.
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