# Basic functions - math word problems

#### Number of problems found: 2456

• Inflation Once upon a time, tsar owned a money printer and printed and printed. The result of printing money prices went up,in the first year 3.9 %, in the second 6%, in the third 4.7% and in the fourth 5.5%. Then tsar was failed in election. Calculate the average
• Glass mosaic How many dm2 glass is nessesary to produc 97 slides of a regular 6-gon, whose side has length 21 cm? Assume that cutting glass waste is 10%.
• Report card Ivor hit 4× grade 5 at the beginning of the school year. How many times must now catch grade 1 to get grade 2 on the report card?
• Cube in ball Cube is inscribed into sphere of radius 181 dm. How many percent is the volume of cube of the volume of sphere?
• Shooters In army regiment are six shooters. The first shooter target hit with a probability of 49%, next with 75%, 41%, 20%, 34%, 63%. Calculate the probability of target hit when shooting all at once.
• N-gon angles What is the sum of interior angles 8-gon? What is the internal angle of a regular convex 8-polygon?
• Cone in cylinder The cylinder is inscribed cone. Determine the ratio of the volume of cone and cylinder. The ratio express as a decimal number and as percentage.
• Cone and cube About what percentage hase cone with base radius r larger volume than same high cube with square base with edge length r?
• Solidarity Imagine a word solidarity means that salt donation to the needy, who have neither the salt. If we take word solidarity has word base salt + gift (only in Slovakian language). Calculate how many kilos of salt sympathetic citizen "gives" government a year i
• Car inflation About what percentage price of car increased if price rose from €1880 to €2200?
• Cone in cube The cube is inscribed cone. Determine the ratio of the volume of cone and cube. The ratio express as a decimal number and as percentage.
• Two doctors Doctor A will determine the correct diagnosis with a probability 93% and doctor B with a probability 79%. Calculate probability of correct diagnosis if patient is diagnosed by both doctors.
• Tournament Determine how many ways can be chosen two representatives from 34 students to school tournament.
• Drunk man Drunkman has 2.6‰ of alcohol in the blood. How many grams of alcohol has in blood, if he have 5 kg of blood?
• Logarithmic equation Solve equation: log33(3x + 21) = 0
• Promile Calculate the 4.6 ‰ of 199.
• Sphere fall How many percent fall volume of sphere if diameter fall 10×?
• Right triangle Legs of the right triangle are in the ratio a:b = 2:8. The hypotenuse has a length of 87 cm. Calculate the perimeter and area of the triangle.
• Guests How many ways can 7 guests sit down on 8 seats standing in a row?
• Rectangle - sides ratio Calculate area of rectangle whose sides are in ratio 3:13 and perimeter is 673.

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