Two persons could fit new windows in a house in 3 days : How many persons would be needed to fit the windows in one day?

Two persons could fit new windows in a house in 3 days : One of the persons fell ill before the work started. How long would the job take now?

Two person can finish the work in 7 days. (i) One of the persons fell ill before the work started . How much time will the other person take to finish the same work. (ii) How many persons will be needed to finish the work in one day.

A contractor estimates that 3 persons could rewire Jasminder’s house in 4 days. If, he uses 4 persons instead of three, how long should they take to complete the job?

A factory requires 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days?

826512 persons visited a park in 257 day.How many persons visited the park each day ?

500 persons takes 25 days to complete a building.How many persons be needed if the same building has to be completed in 10 days ?

2 men and 5 boys can do a piece of work in 4 days, while 4 men and 4 boys can do it in 3 days. How long would it take one man alone to do it and how many days would it take one boy alone to do it ?