Maths practice for 12-year-olds - page 3 of 362
Number of problems found: 7228
- Mixed plus proper fraction
1 whole 1/2+1/3=
- Two trains 15
A train travelling 50 kmph leaves Delhi at 8 AM and another train travelling 70 kmph leaves Delhi at 11 AM in the same direction. How many km from Delhi will they be together?
- Antecedent and consequent
In a ratio which is equal to 5:8, if the antecedent is 40, then find the consequent.
- Avg velocity
A car travels 120 km at 60 km/hr and another 120 km at 40 km/hr. What is its average speed?
- Direct proportional
If m is proportional to n and m=5 when n=4, then what is the value of m when n=18?
- Crossing a pole
A train 200 m long is moving at a speed of 72 km/hr. How much time will it take to cross a pole?
- Three quarters of a hour
Calculate the value of 3/4 of 40 hours.
- Two wipers
What A car has two wipers which do not overlap. Each wiper has a blade of length 21 cm, sweeping through an angle of 120°. Find the total area cleaned at each sweep of the blades.
- Bags of clothes
Nathan and John are collecting clothes for a clothing drive. John collected 1/10 as many clothes as Nathan did. If Nathan collected 1/3 of a bag of clothes, how many bags of clothes did John collect?
- LCM and HCF 3
LCM of two integers is 1237. What is their HCF?
- A cube 4
A cube of edge 5 cm is cut into cubes, each of edge 1 cm. Find the ratio of the total surface area of one of the small cubes to that of the large cube.
- Food - rice
A man spent 1/3 of his salary on food. 1/4 of what he spent on food was on rice. What fraction of his salary did he spend on rice?
- Winter clothing drive
Grace's class collected 10 pounds of clothing for the winter clothing drive. Lucia's class collected 1 1/2 times as much clothing as Grace's class. How many pounds of clothing did Lucia's class collect? Write your answer as a fraction or as a whole or mix
- Two games
In a class of 65 students, 30 students play cricket, 20 students play tennis, and 10 students play both games. Then, find the number of students who play neither.
- Gerda
Gerda is baking. She used 2/3 cup of flour for her pie and 1/3 cup for the cake. How much flour did she use all in all?
- Apple in a basket
Cristan put 8/20 kg of apple into a basket. Cris put 7/20 kg of oranges, and Vlad placed 4/20 kg of mangoes into the same basket. How many kilograms of fruits were put inside the basket?
- A bike 2
A bike is running 72 km/hr. How much distance will it cover in 15 seconds?
- The supplement
The supplement of an angle is four times its complement. Find the angle.
- The remainder
Write the remainder as a fraction of 364 divided by 16
- Gas tank
Mason's car has a gas tank that holds 24 gallons of gas. The tank is precisely 1/4 full. How many gallons of gas are in Mason's car?
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