Ratio + percentages - practice problems - page 2 of 6
Number of problems found: 118
- Vinegar mixing
We mix 70g water and 50g 8% vinegar. How many percents of the solution of vinegar do we produce? - 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? - Expansion
If one side of the rectangle is larger 4-times and the second 2-times, what percentage increases the area of the rectangle? - Solutions 70424
To what extent do we need to mix 82% and 54% solutions to get a 76% solution? - Determine 5192
Determine the numbers x and y so that half of the number x is 30% of the number and 60% of y is 90. - Dices
We will throw two dice. What is the probability that the ratio between numbers on the first and second dice will be 1:2? - Discount
The product has been discounted twice by 19%. What is the total discount given? - Volatile percents
Kent is working as a forex trader. He suffered a loss of 65.8 percent. Calculate what percentage must now earn to lift from loss. - Numbers 6101
Fifty percent of the number x equals sixty percent of the number y. What is the ratio of the numbers x and y? - Sphere radius
The radius of the sphere we reduce by 1/3 of the original radius. How much percent does the volume and surface of the sphere change? - Rectangle area
The length of a rectangle is x units, and the width is y. Dimensions are increased by 10% and 15%, respectively. What is the ratio of the areas of the old and new rectangle? - Saving
Gejza save € 1470 to buy a car. Yet it lacks save 45% of the car price. How much is the car? - Suit
The suit cost 119 euros. How much cost the pants if it is 50% cheaper than the jacket? - Perimeter 80853
The lengths of the sides of the triangle are in the ratio 7:6:4. The shortest side is 36 cm. What is the perimeter in cm of this triangle? - Three-digit 69114
How many three-digit numbers have a digit sum of 6? Write the ratio of the number of created even and odd numbers and adjust it to the basic form. - Tare
The gross weight of a shipment is 6927 kg, and its tare is 7%. Calculate the net weight of the shipment. - The ratio 4
The ratio of two numbers is 5:4. If 40% of the first number is 12, what will be 50% of the second number? - Lathe
Calculate the percentage of waste if the cube with 53 cm long edge is lathed to the cylinder with a maximum volume. - Interest
What is the annual interest rate on your account if we put 32790 and after 176 days received 33939.2? - Tape
Video is 153% more expensive than a tape recorder. How many percent tape recorder is less expensive than video?
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