Ratio and proportion

Question 1 of 10

If x and y are in inverse proportion, doubling x doubles y.

Question 2 of 10

Three friends invested in a business in the ratio 3 : 5 : 2. They made a profit of GH₵ 2,500. (a) Find the total number of parts. (b) Find each person's share. (c) What fraction of the profit did the first friend get?

Question 3 of 10

Three friends invested in a business in the ratio 2 : 5 : 2. They made a profit of GH₵ 1,350. (a) Find the total number of parts. (b) Find each person's share. (c) What fraction of the profit did the first friend get?

Question 4 of 10

The ratio of mangoes to oranges in a basket is 4 : 7. If there are 44 mangoes, the number of oranges is ___.

Question 5 of 10

Three friends invested in a business in the ratio 2 : 4 : 2. They made a profit of GH₵ 2,000. (a) Find the total number of parts. (b) Find each person's share. (c) What fraction of the profit did the first friend get?

Question 6 of 10

If 4 workers take 6 days to build a wall, 8 workers will take

Question 7 of 10

The ratio 12 : 18 in its simplest form is

Question 8 of 10

If 2 exercise books cost GH₵ 16, how much do 14 cost?

Question 9 of 10

The ratio of mangoes to oranges in a basket is 5 : 3. If there are 40 mangoes, the number of oranges is ___.

Question 10 of 10

Increase 40 in the ratio 5 : 4.