Maths practice for 14 year olds - page 3 of 381
Number of problems found: 7618
- Two masons
Mason A can build a wall in 30 days, while mason B can build it in 40 days. If they build it together and get a payment of USD 7000, what is B's share? - 128 USD
128 USD is increased by 20 percentage. Determine the new amount. - A tree 3
A tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angle 30° with it. The distance between the foot of the tree to the point where the top touches the ground is 8 m. Find the height of the tree. - Doubling - simple interest A sum becomes its double in 10 years. Find the annual rate of simple interest
- The length 20
The length and breadth of a rectangular park are in the ratio 8:5. A path,1.5 m wide, running all around the outside of the park has an area of 594 sq m. Find the dimensions of the park. - The average 17 The average monthly salary of 20 workers in an office is $4590 . If the manage's salary is added, the average salary becomes $ 4920 per month What's the manager's monthly salary?
- The product 18
The product of two consecutive natural numbers which are multiples of 3 is equal to 810. Find the two numbers. - 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?
- The tourist
A man traveled a distance of 61 km in 9 hours. He traveled partly on foot at 4 kmph and party on bicycle at 9 kmph. Find the distance traveled on foot. - 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?
If a is 40 percent of b then, what percent is b of a?Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
