Grade - practice problems - page 6 of 953

Number of problems found: 19049

Equation of the line
Find the equation of the line through (1, 2) with slope 3.
Milk everyday
Nisha consumes 1,200 ml of milk every day. How many litres of milk will she consume in 5 weeks?
The profit 6
A man sells an article at a profit of 20%. If he had bought it at 20% less and sold it for $5 less, he would have gained 25%. Find the cost price of the article.
Swim kilometers
Amy swam 2/9 kilometres to an island. Then she swam 1/9 kilometres to a boat. How far did she swim in all? Write your answer as a fraction in simplest form.
A road 2
A road crew must repave a road that is 4/5 miles long. They can repave 1/20 miles per hour. How long will it take the crew to repave the road? Write your answer in simplest form.
The sum 53
The sum of three numbers in a geometric progression is 35 and their product is 1,000. Find the numbers.
A train 7
A train overtakes two persons walking in the same direction as the train at speeds of 2 km/h and 4 km/h. The train passes each of them completely in 9 and 10 seconds respectively. Find the length of the train.
A person 3
A person distributes his pens among four friends A, B, C, and D in the ratio 1/3 : 1/4 : 1/5 : 1/6. What is the minimum number of pens the person should have?
A train 6
A train covers distances of 10 km, 20 km, and 30 km at speeds of 50 km/h, 60 km/h, and 90 km/h respectively. Find the average speed of the train in km/h.
A pie 16
A pie is divided among 100 guests. Guest 1 gets 1%, guest 2 gets 2% of what is left, and so on. Who gets the largest piece of pie?
The centroid
The centroid of a triangle ABC is at the point (3, 3, 3). If the coordinates of A and B are (3, −5, 7) and (−1, 7, −6) respectively, find the coordinates of point C.
Tammy
Tammy attends Gray River College. Tuition this year is $6,450. Tammy's parents have saved $2,000 for her tuition. She also has a grant for $1,100 and a music scholarship for $800. Tammy plans to earn the rest at her work-study job. How much money does Tam
The surface 5
The surface area of a cylinder is 6,140 cm², and the base radius is 25 cm. What is the height?
A building
A building is 125 metres tall and 80 metres long. On a scale drawing, the height of the building is 25 centimetres. What is the length of the building on the scale drawing in centimetres?
A watch
If a watch is sold for $60, there is a loss of 15%. At what price must the watch be sold to make a profit of 2%?
A rope for cow
Find the length of rope by which a cow must be tethered so that it can graze an area of 154 m².
Two types of ore
A total of 42 tonnes of two types of ore is to be fed into a smelter. The first type contains 6% copper and the other contains 2.5% copper. Find the necessary amounts of each ore to produce 2 tonnes of copper.
The average 19
The average age of a class was 15 years. When 5 boys with an average age of 12 years and 6 months were admitted, the class average decreased by 6 months. How many students were in the class originally?
Cu ore
An ore contains 5% copper. How much ore is required to obtain 400 grams of copper?
The Earth and Moon
The diameter of the Moon is approximately 1/4 of the diameter of the Earth. What fraction of the Earth's volume is the Moon's volume?

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