Basic operations and concepts - math word problems - page 171 of 332
Number of problems found: 6633
- Substitute a number
I think the number is when you substitute it in the expression (x-2). (2x - 1), you get zero. What number can it be? - Trees
Loggers wanted to seed more than 700 and less than 800 trees. If they seed in rows of 37, leave them eight trees. If they seed in rows of 43, leave the 11 trees. How many trees must seed? - Machine
The price of the new machine is € 65000. The 12% of residual value is depreciated every year. What will the value of the machine be after 2 years? - Geometric sequence 3
In geometric sequence is a4 = 40; a9= 1280; sn=2555. Calculate the first item a1, quotient q, and n - number of members by their sum s_n. - Tape
Video is 199% more expensive than a tape recorder. How many percent is a tape recorder less expensive than a video? - Number logical sequence
The numbers are arranged in a specific logical order. Fill in the missing numbers. 5, 8, 16, 15, 18, 36, 35, 38,??, - Class student calculation
How many students are in the class when 54% have both parents at work? Employed parents have 20 students. - Natural Number with Divisors
Which natural number less than 100 has the largest number of divisors? - Smallest Asymmetric Power
Find the smallest natural number k for which the number 11 on k is asymmetric. (e.g. 11² = 121) - Hens and rabbits
There are a certain number of hens and rabbits in a room. The number of feet of the hens exceeds the number of feet of the rabbits by 12, while the number of heads of the hens exceeds the number of the heads of the rabbits by 28. Then the number of hens a - Expression value calculation
Calculate the value of the expression V = 3x²- 2x + 3 for x = -2. - Machine depreciation years
8% of the price of the machine is written off every year. In how many years will the price drop from 250,000 to 150,000? - The terms
The terms 1/64, 1/32, and 1/16 form a geometric progression (GP). If the sum of the GP is (2³6 – 2-6), find the number of terms. - Bacteria test tube
Bacteria in a test tube divide into two every second, with each new bacterium having the same volume as the original. At exactly midnight, the test tube was full. At what time was the test tube half full? - Money part division
13300 CZK is divided into three parts. Part 1 is x, part 2 is 2/3 of part 1, and Part 3 is 2/3 of part 2. Find these parts. - Barter exchange calculation
We can exchange three bananas for four oranges in a barter shop, and nine bananas are obtained for four pineapples. How many oranges do we get for one pineapple? - By six
From digits 1,2,3,4, we create the long integer number 123412341234..., which will have 962 digits. Is this number divisible by 6? - Pine's forest
There were so many pines in the forest that they were sequentially numbered 1, 2, 3,..., and would use three times more digits than the pine trees alone. How many pine trees were there in the forest? - The machine
The annual depreciation of the machine is 10%. After eight years, the machine is worth 697 euros. What was the price of this machine at the time of purchase? - Eggs
3400 eggs sliced hens for February and March. We must calculate how many hens can make 3400 eggs when one hen gives two eggs a day for 59 days.
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