Question

Which term of AP 7,12,17,22 will be 250 e more than 50th term

Answer 1

Answer:

a = 7

d = 5

T(n) = a + (n-1)d

⇒ 7 + (50-1)5

7 + (49)5

7 + 245

252 = 50th term

Now, we find 250 more than 252.

252 + 250

502

Now, we will find out which term of AP is 502

502 = a+(n-1)d

502 = 7+(n-1)5

502 = 7+5n-5

502 = 2+5n

502-2 = 5n

500 = 5n

100 = n

The 100th term of AP will be 250 more than the 50th term of AP.

Hope it helps

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