Reason + addition - math problems

Number of problems found: 75

  • Pages counting
    There are pages numbered from 2 to 104 in the book. How many digits have to be printed to number the pages?
  • Game 27
    Susan wanted to play the game. In the beginning, the first says a number from 1 to 8. Then the second player adds a number from 1 to 5 and tells the sum. Again, the Susan adds a number from 1-5 and say sum and etc. . . The winner must say the number 27. W
  • The Stolen Money
    A man walks into a store and steals a $100 bill. 5 minutes later, he returns to the store and buys stuff worth $70. He pays with the bill that he had stolen, so the owner of the store returns him $30. How many dollars did the store owner lose?
  • Solve 2
    Solve integer equation: a +b+c =30 a, b, c = can be odd natural number from this set (1,3,5,7,9,11,13,15)
  • House numbering
    The residential house has three entrances numbered even numbers, successive immediately behind. The sum of the two numbers on the outside entrances is 68. Calculate the middle of these three numbers.
  • Z9–I–4 MO 2017
    Numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 were prepared for a train journey with three wagons. They wanted to sit out so that three numbers were seated in each carriage and the largest of each of the three was equal to the sum of the remaining two. The conduct
  • Identity
    123456789 = 100 Use only three plus or minus characters to correct previous identity/equation.
  • Grandsons
    Janko is the fifth oldest and at the same time the fifth youngest grandson. How many grandchildren do grandparents have?
  • Princess
    Princess has lost 321 beads and Prince George are all trying to find. On the first day he found all but 83 beads. On the second day he found 68 beads. On the third day he found the rest, but the princess had lost 76. How many beads had Princess after the
  • Three numbers
    The sum of the three numbers is 287. These numbers are in a ratio of 3: 7: 1/4. Find these numbers.
  • Cookies/biscuits
    There were a total of 200 cookies in the box. They used sugar and chocolate icing in their production. They used chocolate icing for 157 biscuits. They used sugar icing for 100 biscuits. How many of these cookies have both toppings?
  • 2d shape
    Calculate the content of a shape in which an arbitrary point is not more than 3 cm from the segment AB. The length of the segment AB is 5 cm.
  • A five-digit
    A five-digit odd number has the sum of all digits (digits) five and contains two zeros. If we move each digit in the number one place to the left and move the first digit to the last place, we get a number 20,988 smaller. Find this unknown five-digit numb
  • Toy store
    In the toy department of store was exposed 28 dolls. 19 dolls were blondes or could speak. 12 dolls were blondes, 14 could speak. How many blondes could speak in the toy department? How many blondes could not speak?
  • Christmas
    Father said: "exactly after 56 hours we will sit down to Christmas Eve table" How was and what time it was when Father said this sentence? The Christmas Eve table they sit down at exactly 6 PM hour.
  • Hello adding
    Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J? A A H A H O A H O J -------------------------- 4 3 2 1
  • David number
    Jana and David train the addition of the decimal numbers so that each of them will write a single number and these two numbers then add up. The last example was 11.11. David's number had the same number of digits before the decimal point, the Jane's numbe
  • Flowers
    The flower has six flowers, and each flower has a number. These are the numbers: 20,40,39,28,8,9. What number will be in the middle of the flower so that the numbers come from the flowers when we subtract and add?
  • Octahedron - sum
    On each wall of a regular octahedron is written one of the numbers 1, 2, 3, 4, 5, 6, 7 and 8, wherein on different sides are different numbers. For each wall John make the sum of the numbers written of three adjacent walls. Thus got eight sums, which also
  • Summands
    Find two summands of the number 42, so that its product is minimized.

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Reason - math problems. Addition Problems.