Latest word problems

Number of problems found: 860

  • Second hand store
    tv_diagonal The price of goods in the store for used goods is determined by agreement, while the sale price is deducted 15% commission - for the owner of the store. Matúš's parents decided to sell the TV so that their net profit was at least 50 euros. What was the mi
  • Heads and legs
    rabbits 108 legs and 33 heads how many chickens. How many rabbits are there?
  • Photos
    photo_1 Three friends Mirka, Lucka, and Hanka, collect photos. If Mirka had 3 more photos than she has, she would have as many as Hanka. If Lucka had 5 photos less than she has, she would be like Hanka. How many photographs does each have if they have 431 togethe
  • A rectangle 4
    rectangle A rectangle has area 300 and perimeter 80. what is the ratio of the length and width?
  • Lenth - meter
    meter_4 Find in centimeters, 3/10 of half meter.
  • Martians
    sphere_in_cone A sphere-shaped spaceship with a diameter of 6 m landed in the meadow. In order not to attract attention, the Martians covered it with a roof in the shape of a regular cone. How high will this roof be so that the consumption of roofing is minimal?
  • The roof
    strecha_1 The roof of the tower has the shape of a regular quadrangular pyramid, the base edge of which is 11 m long and the side wall of the animal with the base an angle of 57°. Calculate how much roofing we need to cover the entire roof, if we count on 15% waste
  • A football
    ball_f A football team loses 5 yards on one play then loses 7 yards on the next play. Write an addition expression that represents the change in position. Then find the sum of the values.
  • The square
    woord_2 The square oak board (with density ρ = 700 kg/m3) has a side length of 50 cm and a thickness of 30 mm. 4 holes with a diameter of 40 mm are drilled into the board. What is the weight of the board?
  • 1200 screws
    matica 1200 screws are to be divided into 3 groups so that in the 1st group there are 300 screws more than in the 2nd group and in the 2nd group 150 screws less than in the 3rd group. How many screws will be in each group?
  • Who I
    numbers2_7 Who I am? My third is 2 less than my half.
  • Tarzan
    gorila Tarzan, weighing m = 90 kg, tries to cross the river by swinging with a vine hanging from a tree leaning over the river. Liana has a length l = 12 m. The speed of the Tarzan in the lowest swing position is v = 8 m/s. Tarzan doesn't know that the liana wil
  • Altitude angle
    balloon_1 In complete winds free weather, the balloon took off and remained standing exactly above the place from which it took off. It is 250 meters away from us. How high did the balloon fly when we see it at an altitude angle of 25°?
  • The aluminum
    sphere_Nickel The aluminum object with a weight of 0.80 kg and a temperature of 250°C was placed in the water with a weight of 1.6 kg and a temperature of 23°C. What is the system temperature after reaching equilibrium? We assume that the heat exchange occurred only be
  • The bath
    watermixing The bath has water with a volume of 220 l and a temperature of 65°C. Determine the mass m2 of water at 15°C to be poured so that the resulting temperature of the water in the bath is 40°C. We neglect the heat exchange between water and the environment. T
  • Triangle's centroid
    triangles_1 In the triangle ABC the given lengths of its medians tc = 9, ta = 6. Let T be the intersection of the medians (triangle's centroid) and point is S the center of the side BC. The magnitude of the CTS angle is 60°. Calculate the length of the BC side to 2 d
  • If the 3
    teplomer_3 If the temperature of a city drops 2° everyday and increases by 3° on every 5 days, how long does it take to drop to -15° from temperature +5°?
  • An average a day
    stromy Forest workers planted 96 trees on Monday, 120 trees on Tuesday, and 61 trees on Wednesdays. How many trees did she plant in the last day of Thursday, if she planted an average of 105 trees a day?
  • Timothy
    family_2 Timothy is 56 4/5 inches tall. Theresa is 1 1/6 inches shorter than Timothy and Jane is 1 1/3 inches shorter than Theresa. How tall is Jane?
  • Base diagonal
    jehlan_4b_obdelnik In a regular 4-sided pyramid, the side edge forms an angle of 55° with the base's diagonal. The length of the side edge is eight meters. Calculate the surface area and volume of the pyramid.

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