Maths practice for 14 year olds - page 16 of 368

Number of problems found: 7349

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.
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.
An expensive watch
A watch when sold at a profit of 6% yields $ 870 more than when it is sold at a loss of 6% . Find the cost price of the watch.

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