Ratio and Proportion

(1) If the ratio of blueberries to strawberries in a fruit salad is 3:5 and there are 120 strawberries, how many blueberries are there?

  • (a) 65
  • (b) 72
  • (c) 72
  • (d) 90


(2) The ratio of the number of cats to dogs in a shelter is 7:4. If there are 8 more cats than dogs, how many dogs are there in the shelter?

  • (a) 16
  • (b) 18
  • (c) 20
  • (d) 22


(3) A mixture contains alcohol and water in the ratio of 1:3. If 5 liters of water is added to the mixture, the ratio becomes 1:4. What was the original amount of the mixture?

  • (a) 15 liters
  • (b) 16 liters
  • (c) 20 liters
  • (d) 25 liters



(4) The sum of two numbers is 56. If they are in the ratio of 3:5, what are the numbers?

  • (a) 24 and 32
  • (b) 18 and 38
  • (c) 30 and 26
  • (d) 15 and 41



(5) The ratio of the ages of two friends, A and B, is 4:5. If the sum of their ages is 54 years, how old is friend B?

  • (a) 30 years
  • (b) 24 years
  • (c) 36 years
  • (d) 45 years


Author: user