# Natural numbers + arithmetic progression - practice problems

#### Number of problems found: 58

- 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. .. .. - 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? - Loan 5

Abdul takes a loan of 200000 from Ali and agrees to repay in several installments. Each installment begins with the 2nd exceeding the previous one by 1000. If the first installment is 500, find how many installments will be necessary to be wiped out of th - Distribute 7988

Tomas was to distribute 259 cards with pictures of football players among three friends. And each subsequent friend had to get 2x more cards than the previous one. How many cards did the other friend receive? - Numbers

Determine the number of all positive integers less than 4183444 if each is divisible by 29, 7, 17. What is its sum? - Digits

Show that if x, y, and z are three consecutive nonzero digits, zyx-xyz = 198, where zyx and xyz are three-digit numbers created from x, y, and z. - Finite arithmetic sequence

How many numbers should be inserted between the numbers 1 and 25 so that all numbers create a finite arithmetic sequence and that the sum of all members of this group is 117? - 1 page

One page is torn from the book. The sum of the page numbers of all the remaining pages is 15,000. What numbers did the pages have on the page that was torn from the book?

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