An AP consists of 50 terms of which 3rd term is 12 and the last term is 106 find the sum of 25 terms.
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Answer:
a+2d=12
a+49d=106
⇒47d=94
⇒d=2
a+4=12
⇒a=8
29th term : -
a+28d=8+56=64
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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
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