Ratios, rates and proportions

Question 1 of 10

GH¢900 is shared in the ratio 2 : 3 : 4. What is the largest share?

Question 2 of 10

A recipe uses flour and sugar in the ratio 5 : 2. How much flour is needed with 300 g of sugar?

Question 3 of 10

A car uses 8 litres per 100 km. How many litres for 350 km?

Question 4 of 10

A 20% solution of salt is mixed with a 50% solution to make 60 litres of 30% solution. How many litres of the 20% solution are used?

Question 5 of 10

Find the simple interest on GH¢1,500 at 8% per annum for 3 years.

Question 6 of 10

6 workers take 10 days to build a wall. How long would 4 workers take, working at the same rate?

Question 7 of 10

A car uses 8 litres of fuel for every 100 km. How much fuel does it need for 350 km?

Question 8 of 10

GH¢600 is shared in the ratio 2 : 3 : 5. The largest share is

Question 9 of 10

If 3 kg of rice cost GH¢54, how much do 5 kg cost?

Question 10 of 10

If 6 workers take 10 days to build a wall, how many days will 4 workers take?