Two-digit number

I am a two-digit number less than 20. When I divided by three, then you get the rest 1 and when you divide me by four you get also rest 1. What number am I?

Result

x =  13

Solution:

a=(13−1)/3=4 b=(13−1)/4=3 x=3⋅ 4+1=13a=(13-1)/3=4 \ \\ b=(13-1)/4=3 \ \\ x=3 \cdot \ 4+1=13

Try another example


Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Following knowledge from mathematics are needed to solve this word math problem:

Next similar math problems:

  1. Digit sum
    numbers_41 Determine for how many integers greater than 900 and less than 1,001 has digit sum digit of the digit sum number 1.
  2. Street numbers
    street Lada came to aunt. On the way he noticed that the houses on the left side of the street have odd numbers on the right side and even numbers. The street where he lives aunt, there are 5 houses with an even number, which contains at least one digit number 6
  3. Troops
    army 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?
  4. Divisibility 2
    divisors How many divisors has integer number 13?
  5. Number
    prime What number should be placed instead of the asterisk in number 702*8 to get a number divisible by 6?
  6. Divisibility
    nice_circles Determine all divisors of number 84.
  7. LCM of two number
    numbers2_19 Find the smallest multiple of 63 and 147
  8. 3 buses
    buses At morning 5:00 am three buses started from one place. The first travel in five-minute intervals, the second at 10-minute intervals and the third at 25-minute intervals. At what hour will again be the three buses coming from the same place?
  9. Three buses
    3buses Three public transport buses depart together from the bus station in the morning. The first bus was returning to the station after 18 minutes, the second after 12 minutes and a third after 24 minutes. How long will again together on the station? Result ex
  10. Lcm of three numbers
    prime What is the Lcm of 120 15 and 5
  11. Matches
    matches George poured out of the box matches and composing them triangles and no match was left. Then he tries squares, hexagons and octagons and no match was left. How many matches must be at least in the box?
  12. Prime factors
    prime Write 98 as product of prime factors
  13. Common divisors
    prime Find all common divisors of numbers 30 and 45.
  14. Lcd3
    lcd What is LCD of the equation of ? ? And what is x?
  15. Dance ensemble
    dancers_1 The dance ensemble took the stage in pairs. During dancing, the dancers gradually formed groups of four, six and nine. How many dancers have an ensemble?
  16. Write decimals
    numbers_34 Write in the decimal system the short and advanced form of these numbers: a) four thousand seventy-nine b) five hundred and one thousand six hundred and ten c) nine million twenty-six
  17. School
    ratios_2 Headteacher think whether the distribution of pupils in race in groups of 4,5,6,9 or 10. How many pupils must have at least school at possible options?