0 votes 0 votes The first seven terms of an AP are 7x+4,9y,7z-6,4x+10,3k,3x+6and k+12. The second , fifth and seventh terms of this progression form an infinite GP . The sum of the terms of this GP is : a. 106 b. 126 c. 162 d. 180 Anil Khatri asked Sep 10, 2016 Anil Khatri 76 points 1.8k views answer comment Share See all 0 reply Please log in or register to add a comment.
1 votes 1 votes I think option C 162 shivanisrivarshini answered Sep 11, 2016 • edited Sep 12, 2016 by shivanisrivarshini shivanisrivarshini 1.9k points comment Share See all 0 reply Please log in or register to add a comment.