The most viewed math problems

Number of problems found: 7295

  • Three cats
    three_cats If three cats eat three mice in three minutes, after which time 90 cats eat 90 mice?
  • Brick weight
    brick The brick weighs 2 kg and a half bricks. How much does one brick weigh?
  • Chocolate
    cokolada Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?
  • Divisibility
    divisibility Is the number 761082 exactly divisible by 9? (the result is the integer and/or remainder is zero)
  • Family
    bigfamily A man and a woman have 6 daughters together (or - "with each-other" so that step-children are excluded). Each daughter has one brother. How many members are in the immediate family?
  • Chickens
    chickens 2 chickens give 2 eggs in 2 days. How many eggs can give 8 chickens for 8 days?
  • Subtraction
    cards1 How many times you can subtract the number 4 from the number 64?
  • Cyclist
    cyclist A cyclist passes 88 km in 4 hours. How many kilometers did he pass in 8 hours?
  • 7 heroes
    7statocnych 9 heroes galloping on 9 horses behind. How many ways can sort them behind?
  • Right Δ
    ruler A right triangle has the length of one leg 11 cm and the hypotenuse 61 cm size. Calculate the height of the triangle.
  • Inflation
    dollar What is better for people (employees)? ...
  • Drinking water
    blue-barrel A man drinks a keg of water in 40 days, and a woman drinks in 62 days. How many days do they consume a keg together?
  • Flags
    vlajka_cz How many different flags can be made from colors red, yellow, blue, green, white to consist of three different colors?
  • Vans
    shuttlevan In how many ways can 9 shuttle vans line up at the airport?
  • One half
    one_half One half of 2 75 is: ...
  • Holidays
    holidays Calculate how many hours take holidays, if take 5 weeks.
  • Ace
    ace From complete sets of playing cards (32 cards), we pulled out one card. What is the probability of pulling the ace?
  • Textbooks
    textbooks After the check of textbooks found that every 10-th textbook should be withdrawn. Together 58 textbooks were withdrawn. How many textbooks were in stock before withdrawn, and how many after withdrawn?
  • Orchard
    orchard 10 trees in 5 lines grows in the orchard. How many trees are in the orchard?
  • Homeless Dezider
    kos Homeless Dežko has 9 coins in jacket: Calculate the value of its assets and calculate how many bottles of wine for 0.55 EUR can he buy.

Do you have an exciting math question or word problem that you can't solve? Ask a question or post 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...