Question

Which term of an AP 16,11,6,1......is -54

Answer 1

Answer:

15th term

Step-by-step explanation:

AP = 16,11,6,1............-54

d = -5

Now,

last term= a + (n-1)d

-54 =16+(n-1)(-5)

-54=16-5n+5

5n =75

n= 75/5 =15

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Answer 2

Answer:

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