Numbers - math word problems

Number of problems found: 1462

  • Circle
    circles From the equation of a circle: ? Calculate the coordinates of the center of the circle S[x0, y0] and radius of the circle r.
  • Hens and pigs
    pigs_2 Hens and pigs have 46 feet in total. At least how much can heads have?
  • Divide 5
    ratios2 Divide 288 in the following ratio 3 : 4 : 5
  • Graduation party
    dancers There are 15 boys and 12 girls at the graduation party. Determine how many four couples can be selected.
  • Mistake
    minus Nicol mistake when calculate in school. Instead of add number 20 subtract it. What is the difference between the result and the right result?
  • Big number
    modulo_1 hat is the remainder when dividing number 10 to 47 - 111 by number 9?
  • Sum of three numbers
    bulb2_4 The sum of three numbers from which second number is 20% smaller than the first number and the third number is 25% smaller than the second number is 96. Determine this numbers.
  • Closest natural number
    numbers2_31 Find the closest natural number to 4.456 to 44.56 and 445.6.
  • Decomposition
    prime_factorization Make decomposition using prime numbers of number 155. Result write as prime factors (all, even multiple)
  • Let z1=x1+y1i
    cplx_function Let z1=x1+y1i and z2=x2+y2i Find: a = Im (z1z2) b = Re (z1/z2)
  • Probably member
    math_series Look at the series 2,6,25,96,285, ? What number should come next?
  • Discount
    sales_discount Product has been discounted twice by 19%. What is the total discount given?
  • 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.
  • Aircraft
    787 If an airplane flies 776 km/h for 7.4 h, how far does it travel?
  • Zhiwei
    flasa Zhiwei wants to divide 19 liters of water equally into 6 pots. Find the volume of water in each pot?
  • Product of the sum and difference
    numbers2_26 Calculate the product of the sum and difference of numbers -7 and -2.
  • Four-digit number
    numbers_1 Find also a four-digit number, which quadrupled written backwards is the same number.
  • The sum
    seq_sum The sum of the first 10 members of the arithmetic sequence is 120. What will be the sum if the difference is reduced by 2?
  • Ten persons
    TUCWGKGHCVGBPEMEP75TVAR5LA Ten persons, each person makes a hand to each person. How many hands were given?
  • Book
    zbierka_prikladov Calculate the thickness of the page of the collection of examples from mathematics, where 4.87 cm thick and has 451 pages.

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.

We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...