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Arithmetic Progressions

Answer:

In the given problem, we are given an A.P and the value of one of its term.

We need to find which term it is (n)

So here we will find the value of n using the formula,

(i) Here, A.P is

Now,

Common difference (d) =

=

= 5

Thus, using the above mentioned formula

Thus,

Therefore 248 is the of the given A.P

(...

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