Question

If 17 labourers can dig a ditch 20m long in 18 days, working 8 hours a day; how
many more labourers should be engaged to dig a similar ditch 39m long in 6days,
each labourers working 9 hours a day?
a) 34
b) 51
c) 68
d) 85
​

Answer 1

Answer:

c)68

Step-by-step explanation:

If 17 labourers can dig a ditch 20 m long in 18 days, working 8 hours a day; how many more labourers should be engaged to dig a similar ditch 39 m long in 6 days, each labourer working 9 hours a day ? Explanation: Let the total number of men to be engaged be x. = 68.