UP Police SI Exam 12 Dec 2017 Shift 3 Solved Paper

Question : 98 of 160

Marks: +1, -0

Pooja takes 3 times as much as time than Charu and twice as much time as Bano to do a work. If all three work together, she can finish the work in 2 hours. How long will it take Bano to do the whole work alone?