Maths practice for 12-year-olds - page 4 of 307
Number of problems found: 6124
- A circular track
The inner circumference of a circular track is 220 m, and the width of the track is 7 m. Calculate the cost of putting up a fence along the outer circle at the rate of 50 USD/m. - Temperature bellow zero
At 3 PM, the temperature was 12 F. It then began dropping 2 F every hour for 7 hours. What was the temperature after 7 hours? - Chocolate bars
Share 26 chocolate bars among 3 friends so that they all get the same amount of chocolate bar and there is nothing left over. How many chocolate bars will each friend get? - Slab of a chocolate Albany has 3/4 of a slab of chocolate he gives 2/5 of the slab to her friend Peter. How much chocolate does she have left?
- A tank 3
A tank is 3/5 full of water. 50 liters more of water is required to fill the tank, how many liters of water can the tank hold? - Interior angles 4
How many degrees are in the sum of the interior angles of a quadrilateral? - 15 years
15 years hence, a man will be just 4 times as old as he was 15 years ago. Find his present age. - Time and distance
A man walking at a speed of 4 km/h can reach a destination in 3 hours. If he increases his speed by 1 km/h, how much time will he save? - A community event
Ana is organizing a community event in San Jose. If each participant gets 3/4 of a sandwich and there are 12 participants, how many sandwiches does Ana need in total?
- The sum 49
The sum of two rational numbers is -5. If one of them is -13/6, find the other. - The average 16
The average of 50 numbers is 38. If the two numbers 45 and 55 are not considered, what will be the average of remaining numbers? - Freezing
A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C per hour.What will be the room temperature 12 hours after the process begins? - Ones cube
Find the volume of a cube whose total surface area is 6 m². - Time interval Find the time interval between 7:40 AM and 1 : 20 PM.
- The distance 4
The distance between two towns is 120 km there are approximately 8 km in each 5 mi. Which measurement is closest to the number of miles between each two towns? - The store 2
The store owner ordered 3/4 of a sack of sugar. Each sacks of sugar contained 50 kilograms. The supplier sent only 2/3 of the order. How many more kilograms of sugar should the supplier send? - Blank fraction Find unknown fraction: 3/5* blank=2/3
- Two vertically
Two vertically opposite angles are (x-20)° and 85°; then, find the value of x. - The petrol tank
Tinny's car's petrol tank was full. He drove around the city and used 1/4 of the petrol. What fraction of the petrol was left?
Robert has a full tank of petrol. He drove to Manly and used 1/8 of a tank and then to Gosford using another 4/8 of a tank. What fraction of a tank of petrol has he used?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
