Numbers - math word problems - page 239 of 307
Number of problems found: 6123
- Microorganisms
The first generation of microorganisms has a population of 13500 members. Each subsequent generation is 11/10 times the previous one. Find out how many generations will reach at least three times members of the first generation. - Three co-owners
The three co-owners of the building company have earnings from a contract portioned in the ratio of 3:6:7. Each of them received the amount in the whole USD. One of them, on contract, earned 86450 USD. What were the total earnings for this order? - Buses 7
Two lines leave the bus stop according to the schedule A) 8:00 every 6 minutes until 23:00h B) 8:00 every 14 minutes until 23:00h How many times will buses of both lines leave the bus stop simultaneously between 8:01 and 20:00? - Three-digit 33263
Calculate the difference between the smallest odd four-digit number and the largest even three-digit number, where we can form each number from only these digits: 0, 1, 3, 5, 7, 8, 9 without repeating digits. - Athletics 24911
The sports class is attended by athletes, cyclists, and football players. The number of athletes to cyclists is in the ratio 3:5, football players to cyclists 1:3. How many athletes attend the class if 9 children are involved in athletics? - Number 80500
Which number does not belong in the number series and why? 11. . . 13 . . . 15 . . . 17 . . . 19 - Multiplied 54601
What number, when multiplied by 3/5 for the product to be 1?
- Divide
Divide 72 by 7:2, calculate the ratio of the numbers found in this order, and write it down as a decimal. - Two teacher 2
Two teachers are paid 5100 USD together. If the teachers are to share this amount in the ratio of 3:7, how much does each receive? - Fish population
The number of fish in a lake decreased by 10% during one year. Last year, 500 fish were found in the lake. What is the fish population this year? - Sum and rounding
I know two numbers whose sum is 20. When each round and then added together, I get the 30. What are these numbers? - Real estate
The residential house has three entrances numbered by odd numbers in arithmetic progression. The sum of the two numbers on the corner entrances is 50. Calculate the highest of these three numbers. - Florist
The florist has 84 red and 48 white roses. How many bouquets can he make from them if he must use all roses? - Crystal
The crystal grows every month at 1.2 permille of its mass. How many months does it take to develop from weight 177 g to 384 g? - Laurent series
Expand the function f (z) into the Laurent series at point z0 for the given annulus. f (z) = 1 / ((z-2) * (z-3)) a) z0 = 2, 0 3
- Sum of the digits
How many are two-digit natural numbers that have the sum of the digit 9? - Unknown number
I think the number: Its half is 16 more than his quarter. I think the number is N. - Evaluation 34581
There are a total of 26 students in the class. During the evaluation of the control work, the teacher said: "4 pupils got the number one, and that is 16%. "Did all the students write the control work? - Double-digit 33471
How many double-digit numbers greater than 60 can we make from digits 0,5,6,7,8,9? The numerals must not be repeated. - Three-digit 16763
Ferko received a briefcase with an adjustable three-digit code for his birthday. How many options do you have to set the code if you like a number with two sevens?
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