TR का का उन ककयदों का योग 1050 ह� – InterviewSolution

1.

TR का का उन ककयदों का योग 1050 है तथा इसका

Answer»

a=10...given

S14=1050⇒n/2[2a+(n-1)d]=1050⇒14/2[20+13d]=1050⇒7[20+13d]=1050⇒20+13d=1050/7⇒20+13d=150⇒13d=150-20⇒13d=130⇒d=10

20th term=a+19d =10+19×10 =10+190 =200...Answer

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