Reason - math word problems

Number of problems found: 1019

  • Salary raise
    The monthly salary was 620 Eur. During the year it was raised to 727 Eur. Calculate the month from salary was increased that employee earned 7547 Eur during the whole year.
  • Election mathematics
    In elections, 12 political parties received this shares of voters: party A 56.2 %party B 8.5 %party C 8.2 %party D 6.2 %party E 6.1 %party F 5.5 %party G 3.2 %party H 2.1 %party I 2 %party J 1 %party K 1 % Calculate what the shares acquired in the parliam
  • Seating
    How many ways can 6 people sit on 6 numbered chairs (e. g. , seat reservation on the train)?
  • Bicycle wheel
    A bicycle wheel has a diameter of 60 cm. Approximately how many times does the wheel rotate at 2.5 km long trip?
  • Cu thief
    The thief stole 121 meters copper wire with a cross-section area of 103 mm2. Calculate how much money gets in the scrap redemption if redeemed copper for 4.6 Eur/kg? The density of copper is 8.96 t/m3.
  • Report card
    Ivor hit 4× grade 5 at the beginning of the school year. How many times must now catch grade 1 to get grade 2 on the report card?
  • N-gon angles
    What is the sum of interior angles 8-gon? What is the internal angle of a regular convex 8-polygon?
  • Party
    At the party everyone clink with everyone. Together, they clink 406 times. How many people were at the party?
  • Reconstruction of the corridor
    Calculate how many minutes will be reduced to travel 187 km long railway corridor, where the maximum speed increases from 120 km/h to 160 km/h. Calculate how many minutes will shorten travel time, if we consider that the train must stop at 6 stations, eac
  • Ultra expensive ramps
    The village Čakajovce have two-level railway crossings (the ramps), the railway company ZSR decided to replace it. The price for upgrading the two crossings is 302065 Euros. Calculate how many houses for 77000 euros is possible to obtain at this price. Ca
  • Lottery
    The lottery is 60000 elk in which 6200 wins. What is the probability that the purchase of 12 elks won nothing?
  • Dice
    How many times must throw the dice, the probability of throwing at least one six was greater than 90%?
  • Phone numbers
    How many 7-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated?
  • When will I be a millionaire?
    Barry monthly send 280 euros to the bank, which he deposits bear interest of 2.1% p. A. Calculate how many months must Barry save to save 1000000 euros? Inflation, interest rate changes, or bank failures are ignored.
  • Trolleybus
    Trolleybus line No. 206 measured 24 km. If the trolleybus goes faster by 5 km/h, the way there and back would is shorter by 33 minutes. Calculate the trolleybus speed and how much time it takes a return trip.
  • Temperature calculus
    Calculate the percentage of temperature increase if changed from 18°C to 33°C?
  • Required reserves
    Calculate what is the minimum amount of money that bank must hold in cash from your deposit 2750 Eur. How much money is ideally created in the banking system from your deposit if the level of minimum reserve requirement is 2.15%? Consider fractional reser
  • Family
    What is the probability that a family with 7 childrens have: exactly 6 dívek? 2 dívky and 5 boys? Consider the birth probability of a girl is 48.87% and boy 51.13%.
  • Eiffel Tower
    Eiffel Tower in Paris is 300 meters high and is made of steel. Its weight is 8000 tons. How tall is the tower model made ​​of the same material if it weighs is 2.4 kg?

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