A pump of 5 HP can lift 36000 litres of water in 8 hours. Let’s work out using the method of the Rule of Three how long it will take to lift 63000 litres of water by a 7 HP pump.

In a loom at Goplanagar 14 weavers can weave 210 sarees in 12 days. The workshop got an order to supply 300 sarees within 10days during the Pujas. Let’s work out using the method of the Rule of Three how many extra weavers have to be employed to complete the work in time.

It takes 27 days to make 1000 spare parts by 16 numbers of machines. Let’s work out using the Rule of Three method how many days will it take to make the same number of spare parts if additional two machines are installed.

A company has got the work of unloading goods from a ship in 10 days. 280 heads of people have been employed for this purpose After 3 days it is seen that th of the work has been completed. Let’s work out using the method of the Rule of Three how many heads of people are to be engaged to complete the work in time.

Let’s make mathematical problems with help of given relations and find out their solutions by the Rule of Three-

A ship takes 25 days to sail from Kolkata to Cochin. The ship started with 36 sailors for each of which 850 gm of food was allotted. But the ship rescued 15 sailors from anothersinking-ship after 13 days of journey and the ship reached Cochin in 10 days increasing the speed. Let’s work out using the method of the Rule of Three what will be the quantity of food to be consumed by of each sailor to each Cochin safely and the entire storage of food would be consumed by this time.

A pump of 5 HP can lift 36000 litres of water in 8 hours. Let’s work out using the method of the Rule of Three how long it will take to lift 63000 litres of water by a 7 HP pump.

In a book of 105 pages written by Subhash uncle, there are in average 25 lines in each page and there are in average 8 words in each line. Let’s work out using the method of the Rule of Three how many pages will be there in the book if there are 30 lines in each page having 10 words in each line.