Maths practice for 14 year olds - page 16 of 370
Number of problems found: 7388
- One half of percent  How is 1/2% expressed as a decimal fraction? How is 1/2% expressed as a decimal fraction?
- Parallel tracks  Two trains cross each other in 14 seconds when running in opposite directions along parallel tracks. The faster train is 160 m long and crosses a lamp post in 12 seconds. If the speed of the other train is 6 km/hr less than the faster one, its length, in Two trains cross each other in 14 seconds when running in opposite directions along parallel tracks. The faster train is 160 m long and crosses a lamp post in 12 seconds. If the speed of the other train is 6 km/hr less than the faster one, its length, in
- Cost price 2  If the cost price of 23 toys is equal to the selling price of 20 toys, find the gain or loss percent. If the cost price of 23 toys is equal to the selling price of 20 toys, find the gain or loss percent.
- Four points  There are 4 nonlinear points. How many triangles can form by joining them? There are 4 nonlinear points. How many triangles can form by joining them?
- Numerators and denominators  A fraction becomes 9/11, if 2 is added to both the numerator and the denominator. If, 3 is added to both the numerator and the denominator it becomes 5/6 . Find the fraction. A fraction becomes 9/11, if 2 is added to both the numerator and the denominator. If, 3 is added to both the numerator and the denominator it becomes 5/6 . Find the fraction.
- Diagonals  What is the number of diagonals of a decagon? What is the number of diagonals of a decagon?
- Two syrups  There are two pots of mixture of syrup and water having ratios 3:2 & 4:5 respectively. What quantity of solution of 1st pot is to be mixed with 3 litre of 2nd pot to get a new mixture where both syrup and water will be same? There are two pots of mixture of syrup and water having ratios 3:2 & 4:5 respectively. What quantity of solution of 1st pot is to be mixed with 3 litre of 2nd pot to get a new mixture where both syrup and water will be same?
- A tree 2  A tree is broken at a height of 6 m from the ground and its top touches the ground at a distance of 8 m from the base of the tree. Find the original height of the tree. A tree is broken at a height of 6 m from the ground and its top touches the ground at a distance of 8 m from the base of the tree. Find the original height of the tree.
- Sides to area  If the sides of a triangle are 26 cm, 24 cm, and 10 cm, what is its area? If the sides of a triangle are 26 cm, 24 cm, and 10 cm, what is its area?
- Profit chain  If the manufacturer gains 10%, the wholesale dealer 15%, and the retailer 25%, then what is the production cost of a washing machine whose retail price is 1000 euros? If the manufacturer gains 10%, the wholesale dealer 15%, and the retailer 25%, then what is the production cost of a washing machine whose retail price is 1000 euros?
- The angles 6  If the angles of a triangle are in the ratio 2 : 3 : 4. Find the value of each angle. If the angles of a triangle are in the ratio 2 : 3 : 4. Find the value of each angle.
- Triangular field  Find the area of a triangular field whose sides are 78m, 50m, and 112m. Find the area of a triangular field whose sides are 78m, 50m, and 112m.
- Money sharing  A sum of money is to be distributed among A, B, C, and D in the proportion of 5: 2: 4 : 3. If C gets 1000 USD more than D, what is B's share? A sum of money is to be distributed among A, B, C, and D in the proportion of 5: 2: 4 : 3. If C gets 1000 USD more than D, what is B's share?
- Income comparing  Arnold's income is 60% more than that of Brandy. By what percent is Brandy's income less than Arnolds's? Arnold's income is 60% more than that of Brandy. By what percent is Brandy's income less than Arnolds's?
- The population 3  The population of the town is 126800. It increases by 15% in the first year and decreases by 20% in the second year. What is the population of the town at the end of 2nd year? The population of the town is 126800. It increases by 15% in the first year and decreases by 20% in the second year. What is the population of the town at the end of 2nd year?
- Single discount  Find the single discount equivalent to two successive discounts of 20% and 10%. Find the single discount equivalent to two successive discounts of 20% and 10%.
- Tax info  The tax-free price of the jacket is €150 and the VAT rate is 24%. Calculate the VAT and Taxable price. The tax-free price of the jacket is €150 and the VAT rate is 24%. Calculate the VAT and Taxable price.
- A man 18  A man walks for t1 hours at 4 km/h and then for t2 hours at 3 km/h. If he walks 29 km in 8 hours altogether, find the value of t1 and t2, respectively. A man walks for t1 hours at 4 km/h and then for t2 hours at 3 km/h. If he walks 29 km in 8 hours altogether, find the value of t1 and t2, respectively.
- 280 oranges  280 oranges are divided among 50 girls and boys so that each boy gets 5 oranges and each girl gets 7 oranges. How many girls are there? 280 oranges are divided among 50 girls and boys so that each boy gets 5 oranges and each girl gets 7 oranges. How many girls are there?
- The mixture  If a 6-liter solution with a concentration of 20% alcohol is mixed with a 4-liter solution with a 60% concentration of alcohol. Find the percentage of alcohol in the mixture. If a 6-liter solution with a concentration of 20% alcohol is mixed with a 4-liter solution with a 60% concentration of alcohol. Find the percentage of alcohol in the mixture.
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