Which term of the A.P. 3, 8, 13, 18 … is 78?

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asked Mar 14, 2018 in Mathematics by shabnam praween (19,050 points) 5 6 80
Which term of the A.P. 3, 8, 13, 18 … is 78?

1 Answer

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answered Mar 14, 2018 by mdsamim (213,225 points) 5 10 23
selected Mar 20, 2018 by faiz
 
Best answer

Let an be the required term and we have given AP

Hence, 16th term of given AP is 78.

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