Physical quantity - math word problems - page 35 of 346

Number of problems found: 6901

The meeting
Two peoples, X and Y, start walking towards each other at 8 am at the speed of 3km/h and 4km/h . They were 17.5km apart. What time do they meet.
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?
Train stops
Without stoppages, the speed of a train is 150 km/h and with stoppages, it is 100 km/h. How many minutes, does the train stop? Solve for distance 300 km.
Water 66
Water flows from a tap into a rectangular tank that measures 64cm by 36cm by 45cm. At 8 p. m., it is 1/4 filled with water. At 9 p. m., it is filled with 69,120 cm³ of water. Find the volume of water that has flowed into the tank from 8 p. m. to 9 p. m. G
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.
The areas
The areas of two similar triangles are 12 sq cm and 48 sq cm. If the height of the smaller one is 2.1 cm, then find the height of the bigger one.
Divide 46
Divide 1111 in the ratio of 8:3 .
Crossing a pole
A train 200 m long is moving at a speed of 72 km/hr. How much time will it take to cross a pole?
A ship 2
A ship runs at 15 1/2 knots (pls convert to nautical miles per hour) for 3 1/2 hours. How far does the ship travel?
Konrad
Konrad coaches football. He cycles 3 km to the stadium at an average 12 km/h speed. How long does Konrad take to cycle to the stadium?
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?
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?
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.
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.
The usage
The battery usage time installed in a particular smartphone has a Normal distribution with a mean of 25.2 hours and a standard deviation of 7.5 hours. What is the probability of usage time greater than 32?
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?
Enlarged photo
A photograph has been enlarged by a scale factor of 1.75. If the enlarged photo has an area of 675cm squared, what is the area of the original photo?
A blanket
A blanket is 60 inches by 72 inches. If you want to make it 1/3 smaller, what size would it be?
Multimodal or unimodal
The weights (in kg) of 13 students of a class are 37,39,33,32,41,33,37,45,43,39, 33,40,39 Find the mode & media of this data (F). Is there more than one mode?
A bike 2
A bike is running 72 km/hr. How much distance will it cover in 15 seconds?

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