Ratio - practice for 13 year olds - page 9 of 40
Number of problems found: 785
- A rectangle 8
A rectangle measuring 6 cm and 4 cm is enlarged by the ratio of 3:1. What is the area of the enlarged rectangle? - Aspect ratio
Determine the length ratio to the width of a picture frame that is 12 3/4 inches long and 8 1/2 inches wide. - Mixing 5
Carlos mixed 4/15 of chocolate syrup with 1/2 of milk. Determine the reasonable estimate of the total amount of liquid - Dividing money
Milan divided 360 euros in the ratio of 4: 5, Erik in the ratio of 500: 625. How many euros did the individual parts of Milan and how many Erik? - Marble bag
A marble bag sold by Rachel's Marble Company contains five orange marbles for every six green marbles. How many green marbles does it contain if a bag has 35 orange marbles? - Divide
Divide the area of rectangles with dimensions of 32m and 10m by the ratio of 7:9. What area corresponds to a smaller section? - Similarity
ABC is a triangle wherein a = 4 cm, b = 6 cm, c = 8 cm. Is it similar to the triangle DEF: d = 3 cm, e = 4.5 cm, f = 6 cm? If so, determine the ratio of similarity. - Image scale
The actual image dimensions are 60 cm x 80cm and have a reduced size of 3 cm x 4 cm. At what scale was the image reduced? - Carpenter
A carpenter cut off a small cuboid block with half the edge length from a wooden block. How many percent of wood did he cut off? - Rhombus
Internal angles of a rhombus are in ratio 2:3. How many times is the shorter diagonal longer than the side of the rhombus? - Work
The first paver paves pavement for 27 hours. Second for 27 hours. I started the first paver and, after 4 hours, joined the second. How long will they finish the pavement? - Expansion
If one side of the rectangle is larger 4-times and the second 2-times, what percentage increases the area of the rectangle? - The sum 25
The sum of the two numbers is 215. If the ratio is 2: 3, find the larger number. A. 86 B, 129 C. 215 D. 381 - Father 81149
The father is older than the son by the ratio of 5:2. Dad is older than 33. How old are they both? - Swimming 78124
A 16 m square swimming pool has an area of 1 m² on the city plan. What is the scale of the city plan? - Circumference 31361
The lengths of the triangle sides are in the ratio of 3:5:7. Its circumference is 45 cm. Find its lengths. - Dimensions 7915
The cuboid’s dimensions are in the ratio of 16:12:8, and the sum of these dimensions is 180 dm. What are the dimensions of the cuboid? - Proportion 7716
The area of Asia and Africa is 8:7, and the area of Europe and Africa is 5:6. In what proportion are the sizes of regions of Asia, Africa, and Europe? - Unknown number 24
If we add 20, we get 50% of its triple. What is this unknown number? - Smoothie 2
David is using 100 ml of pineapple juice to make a smoothie. He needs to use a pineapple juice to orange juice ratio of 2: 5. How much orange juice should he use?
Do you have homework that you need help solving? Ask a question, and we will try to solve it.