Physical quantities - math word problems - page 36 of 298

Number of problems found: 5951

Water level
Between 9 PM and 6:36 AM, the water level in a swimming pool decreased by 6/35. Assuming that the water level decreased at a constant rate, how much did the water level drop each hour?
The minute
The minute hand of a clock is 6 cm long. Find the area it sweeps between 2:05 PM and 2:40 PM.
Milk with water
How many liters of water are to be mixed in 12 liters of milk costing Rs 40 per liter so that it can be sold at Rs 32 per liter?
The number 9
The number of minutes it took Jim to ride his bike to school for each of the past six days was 21, 18, 16, 19, 24, and 19. Find the mean number of minutes.
A blanket
A blanket is 60 inches by 72 inches. If you want to make it 1/3 smaller, what size would it be?
A bike 2
A bike is travelling at 72 km/h. How much distance will it cover in 15 seconds?
Mr. Stephan
Mr. Stephan cycled at an average speed of 15 km/h for 10 km. He then cycled another 12 km at an average speed of 18 km/h. Please find the total time taken for his journey.
The angles 4
The angles of a triangle are divided into the ratio 126: 213: 312. If the three angles sum to 180°, find the size of each of the three angles.
The meeting
Two peoples, X and Y, start walking towards each other at 8 am at the speed of 3 km/h and 4 km/h . They were 17.5 km apart. What time do they meet.
Two pipes 3
Two pipes, A and B, can fill a tank in 15 minutes and 20 minutes, respectively. Both pipes are opened together. After 4 minutes, pipe A is turned off.What is the total time required to fill the tank?
The ratio 10
The ratio of length and breadth of a rectangular park is 3:2, and its perimeter is 150 m. Find its area.
Bus vs train 2
The average speed of a bus is three-fourths the average speed of a train. The train covers 240 km in 12 hours. How much distance will the bus cover in 7 hours?
Parallelogram - right angles
In parallelogram ABCD; AB = 16 cm, BC = 12 cm and diagonal AC = 20 cm. Find the area of the parallelogram.
Triangle 82
Triangle PQR has vertices located at (2, 2), (5, -4), and (-4, -1). What type of triangle is triangle PQR?
The bicycle
The bicycle runs 30 mph for 20 minutes. How far it goes?
Water 71
Water was heated to 80 °C then allowed to cool at a rate of 6 °C per minute. After how long was the temperature 8 °C?
Walker
If you walk at an average speed of 4 km/h, how many kilometers can you walk in 2 hours?
Line segment
Find the length of the line joining points A(-4,8) and B(-1,4).
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?
Z-score calc
What is the Z Score for the following numbers: X is 16, and data for the population mean, and the standard deviation is 196, 193, 79, 30, 29, 81, 25, 21, 164 Level of difficulty = 2 of 2 Please format it to 2 decimal places.

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