Grade - practice problems - page 9 of 968

Number of problems found: 19341

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 receive a payment of $7,000, what is B's share?
128 USD
$128 is increased by 20%. Determine the new amount.
A tree 3
A tree breaks due to a storm and the broken part bends so that the top of the tree touches the ground at an angle of 30°. The distance from the foot of the tree to the point where the top touches the ground is 8 m. Find the original height of the tree.
Doubling - simple interest
A sum of money doubles in 10 years at simple interest. Find the annual interest rate.
Body temperature
Susan's temperature is 2.5 degrees Celsius above normal. What is her temperature?
The length 20
The length and width 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 m². Find the dimensions of the park.
A field
A field is in the shape of a trapezium whose parallel sides are 25 m and 10 m and whose non-parallel sides are 14 m and 13 m. Find the area of the field.
The average 17
The average monthly salary of 20 workers in an office is $4,590. If the manager's salary is added, the average salary becomes $4,920 per month. What is the manager's monthly salary?
The product 18
The product of two consecutive natural numbers that are multiples of 3 is 810. Find the two numbers.
Four numbers 3
What is the smallest number that must be added to each of the numbers 6, 15, 20, and 43 to make them proportional?
The angle 9
The angle of elevation of the top of a tower from a point A on the ground is 30°. On moving 20 m closer to the foot of the tower to a point B, the angle of elevation increases to 60°. Find the height of the tower and the distance of the tower from point A
Surface = volume
If the volume and the surface area of a sphere are numerically equal, find its radius.
Triangle - same sides
Can the sides of a triangle have lengths of 11, 11, and 14? If so, what type of triangle is it?
GP - terms
Which term of the geometric progression 2, 8, 32, … is 131,072?
The radius 4
The radius of a sphere is r = 9 cm. What is the volume of this sphere? Use π ≈ 3.14 and round your answer to the nearest hundredth.
Blue region
Find the area of the blue region shown in the picture.
Pizza - sleepover
Patricia and Amber had 9 pizzas delivered for a sleepover. Patricia ate 2/3 of the pizzas. How many pizzas did Amber eat? Nothing was left.
Collecting money
Rs 180 is contained in a box in 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 paise)
Parallelogram - simple
One side and its corresponding height of a parallelogram are 4 cm and 3 cm respectively. Find the area of the parallelogram.
A gardener
A gardener wants to fence a circular garden with a diameter of 21 m. Find the length of rope he needs to purchase if he makes 2 rounds of fence. Also find the cost of the rope if it costs $0.40 per metre.

Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.