Arithmetic - math word problems - page 211 of 221
Number of problems found: 4417
- Numbers
Find a number on the number line that has the same distance from these numbers:
- Fan
The fan has a speed of 155 RPM. Calculate for the time of one fan period.
- Numbers 42291
How many five-digit odd numbers exist?
- Four-digit 10261
Roman likes magic and math. Last time he conjured three- or four-digit numbers like this: • created two new numbers from the given number by dividing it between digits in the place of hundreds and tens (e.g., from the number 581, he would get 5 and 81), •
- Arithmetic 82287
If the arithmetic mean of the numbers a1, a2, a3, a4, and a5 is the number A, the arithmetic mean of the numbers a1, a2, a3, and a4 is the number B, then what is a5 equal to?
- Previous 43371
The sum of three natural numbers, five greater than the previous one, is 204. What are the numbers?
- Self-counting machine
The self-counting machine works exactly like a calculator. The innkeeper wanted to add several three-digit natural numbers on his own. On the first attempt, he got the result in 2224. To check, he added these numbers again, and he got 2198. Therefore, he
- Resistance 80700
Determine the largest voltage on a resistor with a resistance of 150 ohms if the largest permitted electrical power current in the resistor is 2 W.
- Arithmetic 54441
The arithmetic mean of the six numbers is precisely 9.5. The sum of these five numbers is 56.9. The sixth number is?
- What fraction
What fraction of numbers 1 to 30 is prime?
- Expression 35981
I think the number is when you substitute it in the expression (x-4). (2x-1), you get zero. What number can it be?
- Arithmetic 72544
The arithmetic mean of two numbers is 12. The first number is 5. What is the value of the second number?
- Number train
The numbers 1,2,3,4,5,6,7,8, and 9 traveled by train. The train had three cars, and each was carrying just three numbers. No. 1 rode in the first carriage, and in the last were all odd numbers. The conductor calculated the sum of the numbers in the first,
- Coloured numbers
Mussel wrote four different natural numbers with colored markers: red, blue, green, and yellow. When the red number is divided by blue, it gets the green number is an incomplete proportion, and yellow represents the remainder after this division. When it
- Sequence 4378
Find out the other three members of the sequence and write their sum: 1,29,2,28,3,27,
- Arithmetic average
The arithmetic mean of the five numbers is exactly 8. The sum of these four numbers is 30. What is the fifth number?
- Centipede 4257
Centipede Mirka consists of a head and several articles. Each pair has one pair of legs. When it got cold, she decided to get dressed. Therefore, she put a sock on her left foot from the end of the third article and then in every other third article. Simi
- Mine
In the mine, at depth 18 m is 12°C, and every 50 m, the temperature increases by 1°C. What is the temperature at a depth of 1615 m?
- Parenthesis 7284
Tomas received nine cards with the following numbers and math symbols for math olympiad results. 18, 19, 20, 20, +, -, x, (,) Note 4 numbers and operators plus, minus, times, left parenthesis, right parenthesis. He stored the cards so that there were neve
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