Basic functions - math word problems

Number of problems found: 2267

  • School marks
    dostatocny Boris has a total of 22 marks. Ones have 3 times less than threes. There are two twos. How many has ones and threes?
  • Efficiency
    engine_lap A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.
  • Trapezoid - central median
    lichobeznik-stredni_pricka The central median divides the trapezoid into two smaller trapezoids. Determines the ratio of their contents.
  • If you 3
    bank2 If you deposit $4500 at 5% annual interest compound quarterly, how much money will be in the account after 10 years?
  • Decibel
    tv_1 By what percentage does the sound intensity increase if the sound intensity level increases by 1 dB?
  • Altitude difference
    promile What a climb in per mille of the hill long 4 km and the altitude difference is 6 meters?
  • Efficiency
    rychlovarna-kanvica What is the power output of kettle 2 kW with efficiency 90%?
  • Divisibility
    numbers_29 Write all the integers x divisible by seven and eight at the same time for which the following applies: 100
  • Lift
    lanovka_2 The largest angle at which the lift rises is 16°31'. Give climb angle in permille.
  • MATES
    sazka In MATES (Small Television tipping) from 35 randomly numbers drawn 5 winning numbers. How many possible combinations there is?
  • Sequence
    arithmetic_seq In the arithmetic sequence is a1=-1, d=4. Which member is equal to the number 203?
  • The angles
    trojuholnik The angles in the triangle are in the ratio 12: 15: 9. Find the angles.
  • Highway repair
    truck_6 The highway repair was planned for 15 days. However, it was reduced by 30%. How many days did the repair of the highway last?
  • How many
    numbers2_3 How many numbers are less than 222 with a digit sum is 8?
  • Two ages
    twodigits_1 Gabrielle is 9 years younger than Mikhail. The sum of their ages is 87. What is Mikhail's age?
  • If we
    math_4 If we increase the unknown number by 4%, we get 780. Determine the unknown number.
  • Points in plane
    linear_eq_1 The plane is given 12 points, 5 of which is located on a straight line. How many different lines could by draw from this points?
  • Enrollment
    enrollment The enrollment at a local college increased 4% over last year's enrollment of 8548. Find the increase in enrollment (x1) and the current enrollment (x2).
  • Midnight
    clocks2_7 How many hours are, if the time that elapsed since 8:00 is 2/5 of the time that will past till midnight?
  • Company
    team After increasing the number of employees by 15% company has 253 employees. How many employees take?

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