Maths practice for 14 year olds - page 8 of 312
Number of problems found: 6238
- Rasmus
Rasmus goes from station A to station B at the speed of 40km/h and returns B to A at the speed of 60 km/h. Find his average speed. - Saving from salary
A man spends 65% of his salary and saves 525 euros/month. Find his monthly salary. - The cost 15
The cost of a machine depreciates every year by 10% of its cost at the beginning of the year. If the present cost of the machine is USD 10000, find its cost after 2 years. - A tradesman
A tradesman marks his goods at 35% above the cost price and then allows a discount of 15%. Find his profit percentage.
- Pair of dice
In a throw of a pair of dice, find the probability of the same number on each die. - An examination
In an examination there were 1000 boys and 800 girls. 60% of the boys and 50% of the girls passed. Find the percent of candidates failed. - The profit 4
By selling an article for 19.25 USD a trader makes a profit of 25% How much must he sell the article to make a profit of 40 %? - Joseph 2
Joseph visits the club on every fifth day, Harry visits on every 24th day, and Susan visits on every ninth day. If all three of them met at the club on a Sunday, then on which day will they meet again? - The cuboid 2
If the areas of three adjacent faces of a cuboid are 6,10,22 respectively then find the volume of the cuboid.
- Von went
Von went to a mall to buy some things for his school projects. He spent 5/8 of his money in a bookstore and 1/5 of the remainder in a grocery store. If he spent P120 in the grocery store, how much money did he have at the start? How much money did he have - Train stops
Without stoppages, the speed of a train is 150 km/h and with stoppages, it is 100 km/h. How many minutes, does the train stop? Solve for distance 300 km. - One hour
If a pipe can fill a tank in 5 h and another pipe can empty the tank in 10 h, if both pipes are opened simultaneously, how many parts are filled in 1 hour? - The frustum
A frustum of a pyramid is 4 cm at the top and 7 cm at the bottom square, and it's 6 cm high. Calculate the volume of the frustum. - A shopkeeper 6
A shopkeeper allows 40% discount on the marked price and there is a loss of 30%. Find the profit percent if it is sold at the marked price.
- Ann and Susan
The difference between the present ages of Ann and Susan is 6 years. After 4 years ratio will be 3:4. What can be the present age of Susan? - A period
A period of 4 hrs 30 min is what percent of a day? - The tea
If the price of tea is increased by 20%, by how much percent must the consumption of tea be diminished so as not to increased the expenditure? - Two articles A shopkeeper bought two articles each at Rs.800. There was 25% profit on one and 25% loss on the other. Find the total percentage profit or loss in the whole transaction.
- The tent 3
The top of a 1.3 meters tall tent is tethered to the ground by a cable. The cable makes a 37 degrees angle with the ground. Find the cable length.
A swimming pool had 2.5 million liters of water in it. Some water evaporated, and then the pool only had 2 million liters of water in it. What percent of the water evaporated?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
