IV. 3 marks / 4 marks questions:1. In an Arithmetic Progression 4th te – InterviewSolution

1.	IV. 3 marks / 4 marks questions:1. In an Arithmetic Progression 4th term and 8th term are in the ratio 1:2. If the 10th termis 30. Find the Arithmetic Progression.
Answer» For ap nth term is an=a+(n-1)dhencea4=a+3da8=a+7dratio is 1/2=a+3d/a+7dhe CEa+7d=2a+6da=dnow given that a10=a+9dhence30=a+9dnowas a=dhence30=a+9a30=10aa=3henced=3hence ap will be 3,6,9

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