| Direction: A series is given with one/two term missing. Choose the correct alternative from the given ones that will complete the series. |
A) N2676S
B) N2676T
C) T2670N
D) T2676N
Correct Answer: A
Solution :
Clearly, the patterns followed by the letters are as follows 1st letter \[Z\xrightarrow{-\,2}X\xrightarrow{-\,2}V\xrightarrow{-\,2}T\xrightarrow{-\,2}R\xrightarrow{-\,2}P\xrightarrow{-\,2}(N)\]2nd letter \[A\xrightarrow{+\,3}D\xrightarrow{+\,3}G\xrightarrow{+\,3}J\xrightarrow{+\,3}M\xrightarrow{+\,3}P\xrightarrow{+\,3}(S)\]The series formed by the numerals i.e., 1, 2, 6, 21, 88, 445, ..... follows the pattern \[\times 1+1,\] \[\times 2+2,\] \[\times 3+3,\] \[\times 4+4,\] \[\times 5+5,....\] So, numeral in the desired term \[=445\times 6+6=2676\] Hence, desired term is N2676S.
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