MCQs on Ratio for Grade 5 Maths
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Q1) The ratio of the number of blue pens to the number of red pens in a box is 4 : 5. There are 12 blue pens in the box. If each pen costs $1.20, find the total cost of all the red pens.
- $3.60
- $14.40
- $18.00
- $32.40
Answer
C.
Q2) The masses of Ravi, Tom and Shah are in the ratio of 4 : 5 : 9. Shah's mass is 54 kg. What is the total mass of the three boys?
- 24 kg
- 30 kg
- 108 kg
- 162 kg
Answer
C.
Q3) The ratio of the amount of money Alan has to the amount of money Brenda has is 3 : 5. The ratio of the amount of money Brenda has to the amount of money Chris has is 2 : 1. Find the ratio of the amount of money Alan has to the amount of money Chris has.
- 1 : 3
- 3 : 1
- 5 : 6
- 6 : 5
Answer
D.
Q4) The pupils in a class are grouped equally into Team X and Team Y.In Team X, the ratio of the number of boys to the number of girls is 3 : 1.In Team Y, the ratio of the number o boys to the number of girls is 1 : 7.
What is the ratio of the number of boys to the number of girls in the class?
- 1 : 1
- 3 : 7
- 1 : 2
- 7 : 9
Answer
D.
Q5) The figure below is made up of 2 similar big cubes and 2 similar small cubes. The ratio of the length of the big cube to the length of the small cube is 2 : 1. Find the volume of the figure.
- 18 cm3
- 72 cm3
- 144 cm3
- 216 cm3
Answer
C.