# Basic functions - math word problems

#### Number of problems found: 2267

• Extreme temperatures USA hit extreme heat wave. Calculate percentage of the air temperature change from normal summer temperature 23 °C to 40 °C.
• Investment 1000\$ is invested at 10% compound interest. What factor is the capital multiplied by each year? How much will be there after n=12 years?
• Magnitude of angle What magnitude has an obtuse angle enclosed by the hands of clocks at 12:20 hours?
• Isosceles triangle What are the angles of an isosceles triangle ABC if its base is long a=5 m and has an arm b=4 m.
• Number What number should be placed instead of the asterisk in number 702*8 to get a number divisible by 6?
• Hexagon Divide a regular hexagon into lines into nine completely identical parts; none of them must be in a mirror image (individual parts can only be rotated arbitrarily).
• Symbols If 2*3 = 60 ; 3*4 = 120 and 4*5 = 200, what is 2*5?
• Pipeline How much percent has changed (reduced) area of pipe cross-section, if circular shape changed to square with same perimeter?
• Electrics - conductor The wire is 106 meters long at 0 °C and at every temperature increase of 1 °C the length increases by 0.15 mm per 1 m length of wire. Determine a function which represents the overall length of the wire as a function of temperature. What is the length of
• Dividing money Jane and Silvia are to divide 1200 euros in a ratio of 19:11. How many euros does the Jane have? Peter and Franta threw to the basket. Each had 20 attempts. Peter scored thirteen and twelve Franta. Give them success in percentage.
• Win in raffle The raffle tickets were sold 200, 5 of which were winning. What is the probability that Peter, who bought one ticket will win?
• Coin How many 50-cent coins must be put in a row that next 50-cent coins after them (above) rolled on it axis?
• Unknown numbers The sum of two consecutive natural numbers and their triple is 92. Find these numbers.
• Acres Two hours 24 students harvested chestnuts on 36 acres. How many square meters harvested one student per hour?
• Salary increase Ms. Merry's salary increased by 15%, and that was 83 euros. What should pay before the increase?
• Apples 2 James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
• Three colors Find the probability that 3 balls of the same color will be drawn from fate with 10 white, 10 red, and 10 blue balls.
• Age ratio Janko is 14 years old. The age ratio of Janka and Zuzka is 2: 3. What was the ratio seven years ago?
• Hens and pigs Hens and pigs have 46 feet in total. At least how much can heads have?

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