IBPS RRB Officer Scale 1 Exam 12 Sep 2020 Prelims Shift 1 Paper

Question : 58 of 80

Marks: +1, -0

A and B on working together can complete a work in 4 days. A alone takes 6 days less than B alone takes. In how many days C alone can complete the work if he is 50% more efficient than B?