Question

An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the sum of 25 terms.​

Answer 1

Answer:

t 3 =12 and t

50=106

⇒a=2d=12 ....(i)

and a+49d=106 ...(ii)

(i) and (ii) gives a = 8, d = 2

∴t 29 =a+28d=8+56=64

Explanation:

sorry I calculated sum of 29 terms instead of 25. hope it works..idk.. please mark me as brainliest. Thank you..

Answer 2

QUESTION

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option is

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12a+49d=106

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12a+49d=106⇒47d=94

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12a+49d=106⇒47d=94⇒d=2

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12a+49d=106⇒47d=94⇒d=2a+4=12

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12a+49d=106⇒47d=94⇒d=2a+4=12⇒a=8

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12a+49d=106⇒47d=94⇒d=2a+4=12⇒a=829th term : - 

QUESTION An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the 25 term.ANSWER Correct option isA64a+2d=12a+49d=106⇒47d=94⇒d=2a+4=12⇒a=829th term : - a+28d=8+56=64