1.

Is 402 a term of sequence in 8,13,18,23..........?

Answer»

8,13,18,23.........

a=8
d=13-8=5
an=402

an=a+(n-1)d
402=8+(n-1)5
402-8=(n-1)5
394/5=(n-1)
394/5+1=n
399/5=n

402 is not a TERM of the SEQUENCE.


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