Maths practice for 14 year olds - page 4 of 369
Number of problems found: 7367
- Four numbers 3
What least number must be added to each of the numbers 6,15,20 and 43 to make them proportional? - Surface = volume
If the volume and the surface area of a sphere are numerically the same then find its radius. - Collecting money
Rs 180 contained in a box of one rupee, 50 Paise and 25 Paise coins in the ratio 2:3:4. What is the number of 50 Paise coins? (One rupee = 100 paisa) - Working group
20 men complete one-third of a piece of work in 20 days. How many more men should be employed to finish the rest of the work in 25 more days? - 4100 USD 4100 USD was distributed in 50 boys and girls. Each boy got $ 90 and each girl $ 65. Then, find the number of boys.
- Triangle 90
Triangle made by 6 cm 4.5 cm and 7.5 cm. what angles does it make? - Somebody Somebody spend 5% of his wages on paying school fees. That is 800 shillings . How much does he earn?
- The sum 51
The sum of two numbers is 100 and difference is 37 . Find the difference between their squares. - By selling 2
By selling 100 pens, a shopkeeper gains the selling price of 20 pens. Find his gain percent. - Percents and ratio
When 20% of a number is added to another number, the number increases by 50%. What is the ratio of the two numbers? - 5 yrs 5 yrs ago, the average age of Rasmi and Suravi was 20 yr. Now, the average age of Rasmi, Suravi and Mita is 30 yrs. What will be the age of Mita after 15 years?
- Inverse percentages
If a is 40 percent of b then, what percent is b of a? - A baseball
A baseball is hit over the 325 foot fence, which is 110 feet tall. How far did the ball carry on a straight line when it reached the fence? - Dual profit
A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest 18%. He gains 14% on the whole. Find the quantity of 8% profit. - Fund raising A number of persons decided to raise 3 millions euros by equal contributions from each. Had they contributed 50 euros each extra, the contribution would have been 3.25 millions euros . How many persons are there?
- An article 2
An article is bought for 124 USD. What should be the marked up selling price so that there is a profit of 10% even after allowing a discount of 12%? - Three inscribed objects
A circle is inscribed in a square. An equilateral triangle of side 4√3 is inscribed in that circle. Find the length of the diagonal of the square. - Price of rice
The price of rice is reduced by 5% . How many kilograms of rice can now be bought for the money which was sufficient to buy 50 kg of rice earlier? - Bananas 5
A fruit vendor was able to sell 85% of his 80 kilograms of bananas. How many kilograms of bananas were sold? - A kite 3
A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclination of the string with the ground is 60°. Find the length of the string, assuming that there is no slack in th
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