In two different kinds of washing powder the ratios of measurement of soda and soap powder are 2:3 and 4:5. Let’s work out the part of the soap powder in the new washing powder which is prepared by mixing 10 kg of first washing powder with 18kg of second washing powder.

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.

Reshmi Khatun has filled 3 similar glasses of equal size with beverage. The ratios of measurements of water and syrup in these three glasses are 3:1, 5:3 and 9:7 respectively. I poured the beverage of these three glasses into a big vessel. Let’s work out the ratio of measurements of water and syrup in the new vessel.