SBI PO Prelims Model Paper 5

Question : 36 of 95

Marks: +1, -0

4 girls can do a piece of work in 8 days, 3 boys can do the same piece of work in 9 days, 7 men do the same piece of work in 2 days and 5 women can do the same piece of work in 4 days. Who is least efficient?