TS ICET 23 May 2018 Shift 1 Paper

Question : 128 of 200

Marks: +1, -0

If -22 is the

\n{^\th}

term of the arithmetic progression 5. 2. -1......... then n =

Solution:

In the arithmetic progression 5, 2, –1, ..
First term(a) = 5 and common difference(d)

= -3

The nth term in AP

t_n = a + (n –1)d

t_{n}=-22 ⇒ 5+(n-1) ×(-3)=-22

⇒n=10

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