Numbers - math word problems - page 262 of 307
Number of problems found: 6123
- Reduce ratio
Express the following ratio in simplest form: 30:42
- Probability 82362
If we roll one die, what is the probability of rolling a number other than 1?
- Consider 5
Consider the data below that shows the number of COVID cases in the fifteen barangays in Naga City: { 4, 7, 0, 3, 2, 1, 2, 1, 5, 4, 1, 3, 2, 3, 1}. What is the meaning of the data?
- Rectangle
In rectangle ABCD with sides, |AB|=19, |AD|=19 is from point A guided perpendicular to the diagonal BD, which intersects at point P. Determine the ratio r = (|PB|)/(|DP|).
- Elephants 2906
In 1979, 1.3 million elephants lived in Africa. By 1989, their number had dropped to 600,000. On average, how many elephants have died each year during this period?
- Volume - pool
The pool, 10.5 m wide, 50 m long, and 3 m deep, will be filled in 3 days. On the first day, 2/5 of the water volume flowed into it, and 1/3 of the rest on the second day. How many liters of water flowed into the pool on the third day?
- Concrete tank
How many m³ of concrete is in the tank shape of a cuboid with dimensions of 2000 cm and, 5.6 meters, and 70 dm if the concrete takes up 3/7 of the tank?
- Strawberries
The father collects strawberries himself in 2 hours and the son in 9 hours. How long will it take them to join him when he comes to help his son collect strawberries after 3 hours?
- Walking woman
Reeta walks 5/7 km in 1 hour. How far does she go in 3 1/2 hours?
- Double-digit 80970
Eva thought of two natural numbers. She first added these correctly, then subtracted them correctly. In both cases, she got a double-digit result. The product of the resulting two-digit numbers was 645. Which numbers did Eva think of? Please, what is this
- Hectoliters 48941
The pool has dimensions: a length of 50 m, a width of 15 m, and a depth of 2 m. It is filled with water to 1/4 of its depth. How many hectoliters of water are in the pool? How many hectoliters of water can fit in a filled pool?
- Three-digit 67834
The number 0,3,7,4 are given. How many three-digit numbers are there: a) if the numbers can be repeated b) if the numbers cannot be repeated c) how many even three-digit numbers if the numbers can be repeated d) how many odd three-digit numbers if the num
- Tournament 61544
In an amateur chess tournament, everyone plays with everyone. There are a total of 171 chess games on the program. How many players take part in the match?
- Friends 81380
In the lottery, where 326 numbers are drawn, Maros marked 7 numbers on the ticket. Kamil marked 11 numbers in another lottery, and 421 numbers were drawn. Which of these friends has a better chance of winning?
- Three-digit 71724
Use the product rule to find out how many three-digit numbers exist.
- On the number line
What number is exactly in the middle between 9.8 and -2.4 on the number line?
- The sides
The sides of a rectangle are in a ratio of 2:3, and its perimeter is 1 1/4 inches. What are the lengths of its side? Draw it.
- Kilometers 35401
We cycled 8 km, a third of the distance we traveled. How many kilometers do we have to travel?
- Cuboid walls
Calculate the cuboid volume if its different walls have an area of 195cm², 135cm², and 117cm².
- Boiler room
If only the first boiler is running, the coal supply is enough for 8 days. If only the second boiler is running, the coal supply is enough for 12 days. If only the third boiler is in operation, the coal supply will last for 6 days. How many days in total
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