Sequence And Series Question 349
Question: If mth terms of the series 63+65+67+69+……….. and 3+10+17+24+……….be equal, then m=
Options:
A) 11
B) 12
C) 13
D) 15
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Given series 63 + 65 + 67 + 69?.. ?.(i) and 3 + 10 + 17 + 24+?. ?.(ii) Now from (i), mth term = (2m + 61) and mth term of (ii) series = (7m - 4) Under condition
$ \Rightarrow 7m-4=2m+61\Rightarrow 5m=65\Rightarrow m=13 $ .
BETA
