Twenty-five

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Next similar math problems:

1. Sports games
   Pupils of same school participated district sports games. When dividing into teams found that in the case of the creation teams with 4 pupils remaining 1 pupil, in the case of a five-member teams remaining 2 pupils and in the case of six-members teams
2. Lines
   Five bus lines runs at intervals 3, 6, 9, 12, 15 minutes. In the morning, suddenly start at 4:00. After how many minutes the bus lines meet again?
3. Divisibility by 12
   Replace the letters A and B by digits so that the resulting number x is divisible by twelve /find all options/. x = 2A3B How many are the overall solutions?
4. Digit sum
   Determine for how many integers greater than 900 and less than 1,001 has digit sum digit of the digit sum number 1.
5. Six-digit primes
   Find all six-digit prime numbers that contain each one of digits 1,2,4,5,7 and 8 just once. How many are they?
6. The florist
   The florist had 200 roses in the morning. During the day, more than half sold it. From the remaining roses, it will tie the bouquet. If a bouquet of 3, 4, 5 or 6 roses are bound, one always remains. How many roses from the morning shipment sold?
7. Troops
   If the general sorts troops into the crowd by nine left 6. How many soldiers has regiment if we know that they are less than 300?
8. Bundle of candies
   In the store has 168 chocolates, caramel candies 224 and 196 hard candies. How many packages we can do and how many of candies will be in each package?
9. Children
   Less than 20 children is played various games on the yard. They can create a pairs, triso and quartets. How many children were in the yard when Annie came to them?
10. Tissues
    The store got three kinds of tissues - 132 children, 156 women and 204 men. Tissues each species were packed into boxes after the number of pieces the same for all three types (and greatest). Determine the number, if you know that every box has more than 6
11. 7 digit number
    If 3c54d10 is divisible by 330, what is the sum of c and d?
12. By six
    From the digits 1,2,3,4 we create the long integer number 123412341234. .. .. , which will have 962 digits. Is this number divisible by 6?
13. Number
    What number should be placed instead of the asterisk in number 702*8 to get a number divisible by 6?
14. Remainder
    A is an arbitrary integer that gives remainder 1 in the division with 6. B is an arbitrary integer that gives remainder 2 the division by. What makes remainder in division by 3 product of numbers A x B ?
15. Decomposition
    Make decomposition using prime numbers of number 155. Result write as prime factors (all, even multiple)
16. The balls
    You have 108 red and 180 green balls. You have to be grouped into the bags so that the ratio of red to green in each bag was the same. What smallest number of balls may be in one bag?
17. Divisibility
    Write all the integers x divisible by seven and eight at the same time for which the following applies: 100