Fractions + ratio - math problems

Number of problems found: 169

  • Ratio 11
    zlomky_7 Simplify this ratio 10 : 1/4
  • Age ratio
    calendar Janko is 14 years old. The age ratio of Janka and Zuzka is 2: 3. What was the ratio seven years ago?
  • Ratio of counts
    skola_2 There are 15 boys and 13 girls in the class. What are the ratio of boys and girls?
  • Ratio of volumes
    cylinder If the heights of two cylindrical drums are in the ratio 7:8 and their base radii are in the ratio 4:3. What is the ratio of their volumes?
  • Change the numbers in the ratio
    fraction_2 Change the numbers 29, 38, and 43 in a 3: 4 ratio.
  • Ratio to total
    tulipany 7:12 is the ratio of orchids to tulips. What is the ratio of the number of orchids to the total number of flowers in the garden?
  • The kennel
    cat 20 dogs. Ratio dogs to cats is 3:2  how many cats?
  • Divide
    decimals2 Divide the number 72 in the ratio 7: 2 and calculate the ratio of the numbers found in this order and write down as decimal.
  • Ratios
    circle Divide: a) 250 CZK in the ratio 2:3 b) 1000 CZK in the ratio 4:7:9
  • Composite ratio
    penize_49 Jakub, Aneta, and Lenka divided 1342 USD in the ratio 5/2: 3/10: 1/4. How much did Lenka take?
  • Which 3
    ratios2 Which is an equivalent ratio for 12:36
  • The dough
    cesto The dough contains water, flour, and sugar. Water and flour in a ratio of 2: 3, flour, and sugar in a ratio of 2: 1. Determine the ratio of all three components of the dough.
  • Trio ratio
    minca Hans, Alena and Thomas have a total of 740 USD. Hans and Alena split in the ratio 5: 6 and Alena and Thomas in the ratio 4: 5. How much will everyone get?
  • Double ratio
    phones The mobile phone was twice gradually discounted in the ratio of 3: 2 1 half: 5 quarters. How much did it originally cost if the price was CZK 4,200 after a double discount?
  • Ratio - proportion
    ratios2 Reduce the number 16 in proportion 3:2 5:4 11:8
  • The angles ratio
    123_triangle The angles in the ABC triangle are in the ratio 1: 2: 3. find the sizes of the angles and determine what kind of a triangle it is.
  • The ratio
    skola The ratio of girls to boys in Mrs. White's class is 3:2.  If there are 12 boys, how many girls are in the class room?
  • Divide in ratio
    lines_2 Line segment AB 12 cm long divide in a ratio of 5: 3. How long are the individual parts?
  • 1st drug
    pirule First drug pack has an active ingredient ratio of L1: L2 = 2: 1 Second drug pack have a ratio of active ingredients L1: L2 = 1: 3 In which ratio do we have to mix the two packages so that the ratio of substances L1: L2 = 1: 2?
  • New ratio
    chicken_6 The ratio of ducks and chicken in our yard is 2 : 3. The total number of ducks and chickens together is 30. Mother gave 3 of the chickens to our neighbor. What is the new ratio now?

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...
Need help to calculate sum, simplify or multiply fractions? Try our fraction calculator. Check out our ratio calculator. Ratio - math problems. Fraction Word Problems.