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s.55Ans. The 41st term of this A.P. is 55.which term of the A.P, 11, 8, 5. … is .. 1517

Answer»

A = 11 , d = 8-11 d= -3

nth term = -151a+(n-1)d = -15111+(n-1)(-3)= -15111-3n+3 = -15114-3n = -151-3n = -151-14-3n = -165 (removing '-' on both sides )n = 165/3so, 55 is a term of the given list number.



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