Grade - math word problems - page 691 of 968
Number of problems found: 19341
- Two annuluses
The area of the annular circle formed by two circles with a common center is 100 cm². The radius of the outer circle is equal to twice the radius of the inner circle. Determine the outside circle radius in centimeters. - Paint usage calculation
The painter used 3.5 times more paint to paint the tin roof than the gutters. He used 3.1 kg more paint to paint the gutters than to paint the fence. In total, he used 20 kg of paint. How many kilograms of paint did he use to grease the roof, fence, and g - Bus Route Length
The long-distance bus driver went 2/5 of the route length in the morning and 1/3 of this length in the afternoon. He still has 60 km to the finish. How long is the long-distance bus route? - Mother and Child Age
A mother is 21 years older than a child. In 6 years, the mother will be five times more than the child. Question: Where's Dad? - Diagonal
The rectangular ABCD trapeze, whose AD arm is perpendicular to the AB and CD bases, has an area of 15 cm². Bases have lengths AB = 6 cm and CD = 4 cm. Calculate the length of the AC diagonal. - Work
The first worker would need less than 4 hours to complete the task than the other worker. In fact, both workers worked for two hours together. Then, the first worker did the remaining work himself. In what proportion should the remuneration of the workers - Number with ones
The first digit of the number is 1. If we move this digit to the end, we get three times the higher number. What is the number? - Orchard
One-eighth of the trees in the fruit plant in winter froze, and one-twelfth were damaged by disease and pests. Healthy trees remained 152. Is it enough to supply 35 trees to restore the original number of trees in the orchard? - Speed Conversion Meters Seconds
The car travels at a speed of 20m/s. At what speed does it travel at km/h? - Wind Speed Conversion
When it is said that the wind blows 25 m/s, how much km/h blows? - Students Travel to School
How do pupils travel to school? 2/7 uses a trolley bus, 1/5 drives, and the remaining 136 pupils walk. How many pupils are there at school? - Drawer
The rectangular face of a drawer has a perimeter of 108 cm and a width of 18 cm. Find the length and the area of the rectangular face of the drawer. - Digit sum
The digit sum of the two-digit number is nine. When we turn figures and multiply by the original two-digit number, we get 2430. What is the original two-digit number? - Water block
A block with a 50 cm² base is filled with water 5 cm under the edge. How many sugar cubes with a 2 cm edge can be thrown into a container that overflows with water? - Filament of bulb
A light bulb's filament has a resistance of 1 ohm and is connected to a voltage of 220 V. How much electric charge will pass through the filament in 10 seconds? - Grandfather and grandmother The old mother is five years younger than the old father. Together, they are 153 years old. How many years has each of them?
- Two trains
There were 159 freight wagons at the railway station creating two trains. One had 15 more wagons than the other. How many wagons did each train have? - Birthday
A mother bought 21 desserts for her daughter Mira's birthday. One type of dessert cost 9 CZK and the other cost 12 CZK. She paid 213 CZK in total. How many of each type did she buy? - Electric current calculation
Calculate how much electric current flows through the circuit if a 3 C (C is SI unit - Coulombs) electric charge passes through the conductor cross-section in 30 seconds. - Bulb Current Resistance Calculation
The bulb is connected to a 4.5 V power supply. An electric current of 45 mA flows through the filament of the bulb. The calculated size of the electrical field of the filament lamp
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