Maths practice for 14 year olds - page 16 of 378
Number of problems found: 7560
- 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. - Four points
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. - Diagonals
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? - 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. - Sides to 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? - The angles 6
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.
- 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? - Income comparing 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? - Single discount 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.
- 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. - 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? - 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.
- A provision
John had provisions for a certain number of days. After 10 days 1/5 of the men desert and he is found that the provisions will now last just as long as before. How long was that? - Sum of squares
The product of two numbers is 12. If the sum of their squares is 40, find the numbers.
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