Natural numbers + arithmetic progression - practice problems
Number of problems found: 70
- Ice cream 4
Ice cream sales for a shop in the last 4 months have been 200, 250, 300, and 350. What are the expected sales in the 5th month? - Fibonacci numbers
If the first three Fibonacci numbers are given as x1 = 1, x2 = 1, and x3 = 2, then what is the least value of n for which x(n) > 500? - Geometric progression
For the following geometric progression, find the seventh (7th) term: 4, 12, 36, 108, . - Following 6367
Uncle Rudolf weaves baskets, which he then sells in the market. On Monday, he knitted 7 baskets; he worked one more every other day than the previous day. How many times more baskets did he knit by the following Monday dinner, compared to the first day, i - Mathematics 7775
A total of 3389 digits were needed to number all the sheets of the mathematics textbook. Assume that in a book, every leaf outside the plates is numbered. How many pages does this textbook have if it is: a) single-volume b) two-volume (with both parts hav - 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? - Including 71274
We used 1533 digits to number the rough book. How many pages does this book have if each page, including page 1, is numbered? - Real estate
The residential house has three entrances numbered by odd numbers arithmetic progression. The sum of the two numbers on the corner entrances is 50. Calculate the highest of these three numbers. - Odd numbers
The sum of four consecutive odd numbers is 1048. Find those numbers. - Specific 66124
The numbers are arranged in a specific logical order. Fill in the missing numbers. 5, 8, 16, 15, 18, 36, 35, 38,?,?, - Find whole
Find whole numbers between 155 and 232 that are divisible by 2, 5, and 10. - Special sequence
What if 2×9=1 3×9=2 4×9=3 5×9=4 6×9=5 7×9=6 8×9=7 9×9=8 10×9=9 then 1×9=??? Answer with solutions. - Additions 80586
Each of the three additions is 5 more than the previous one. The sum of all is 78. Which numbers are these? - Previous 8148
The sum of three natural numbers is 204. Each of them is five greater than the previous one. Which are the numbers? - Determine 8322
Determine which number belongs instead of the question mark 25 -? - 205 - 610 -1825 - Consecutive 7551
Determine the sum of three consecutive natural numbers such that the sum of the first and third numbers is 368. - Simple sequence
Continue with this series of numbers: 1792,448, 112, _, _ - Continuation 46483
Continuation of the number series 9,12,18,27 - Sum of four numbers
The sum of four consecutive natural numbers is 114. Find them. - The sum 23
The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference?
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