Twelve persons can make 360 toys in 8 days. If three more persons join them, then how many toys can be made in 8 days?

40 persons can repair a bridge in 12 days. If 8 more persons join them, then in how many days bridge can be repaired?

A certain number of persons can complete a piece of work in 55 days. If there were 6 persons more, the work could be finished in 11 days less. How many persons were originally there?

30 persons can reap a field in 17 days. How many more persons should be engaged to reap the same field in 10 days?

In a scout camp, there is food provision for 300 cadets for 42 days. If 50 more persons join the camp, for how many days will the provision last?

A certain numbe rof persons can complete a task in 28 days. If there were 150 persons more. If would have taken 7 days less for the task to be completed . How many persons are there in the beginning ?

15 persons can complete a work in 60 days. If the number of persons is increased by 5, how many days earlier will the work get completed ?