farmer borrows? 2600, and agrees to repay it with a total interest of – InterviewSolution

1.	farmer borrows? 2600, and agrees to repay it with a total interest of 180 in 8 installmentsand each installment is more than the preceding installment by Rs.10. What should be hisfirst installment?
Answer» This will be an Arithmetic seriesof 8 terms with comman difference of 10 and whose sum will be 2780so S= n/2(2a+(n-1)d)2780= 4(2a+70)695= 2a+70695-70= 2a625/2= aa= 312.5first installment will be of 312.5 rupee

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