IBPS RRB PO Prelims 20 Aug 2022 Shift 2 Paper

Peter, Jack and Mark started a business by investing in the ratio 9 ∶ 13 ∶ 28. After 4 months, Peter and Jack invested 1/3 and 1/4 of their initial investments respectively. After 2 more months, Mark withdrew 1/7 of his initial investment. If Mark received Rs. 156000 as his yearly profit, find the total profit received by the three of them.