The ratio measurements of Copper, Zinc and Nickel in German silver is 4:3:2 respectively. Let’s work out what weight (in kgs) of Zinc should be added to 54 kg of German Silver, so that the ratio of measurements become 6:5:3.

Bijan babu has made phenyl water solution of 60 litres in which the ratio of measurements of phenyl and water is 2:23. Let’s work out how much phenyl should be added to this solution so that the ratio of measurements of phenyl and water becomes 9:46.

Amina Bibi has prepared masonry mixture with sand and cement in a ratio of measurement 7:1. But after the brick-work it is seen that 72 kg of mixture remains. She has added more cement with this mixture and the ratio of measurement of sand to cement becomes 6:1. Let’s work out the total quantity of cement she has mixed.

and parts two similar vessels contain fruit juice. I filled water in the remaining empty part of these vessels and poured the juice mixed with water of the two vessels into another big vessel. Let’s work out the ratio of measurement of fruit and water in the new vessel.