Question

1. Find the 20th and 25th terms of the AP : 3, 8, 13, 18, ........​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Here, a=3 and d=5(8-3)

Now,

20th term =a+19d

3+19×5=3+95=98

And

25th term =a+24d

3+24×5=3+120=123

Hence, 20th term =98

and

25th term =123