Question

which term of the A.P. 70,74,78,82......is 158

Answer 1

hi there..

here is your answer..

an= a+(n-1)d
158=70+(n-1)4
158=70+4n-4
158=66+4n
158-66=4n
92=4n
n=23

so 158 will be the 23rd of this a.p.

hope this helps..
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