In his garden, Tony made a pathway using 10 paving stones. Each paver was 4 dm wide and 6 dm long. He then drew a black line connecting the middle points of the paving stones. How long is the black line?
A certain film is 90 minutes long. It begins at 17:10. During the film, there are two commercial breaks, one lasting eight minutes and the other five minutes. At what time will the film end?
In a dance group, there are 25 boys and 19 girls. Every week, 2 more boys and 3 more girls join the group. After how many weeks will there be the same number of boys as girls in the dance group?
Peter shared a bar of chocolate. First he broke off a row with five pieces for his brother Bruder. Then he broke off a column with 7 pieces for his sister Schwester. How many pieces were there in the entire bar of chocolate?
A farmer has 30 cows, some chickens and no other animals. The total number of chicken legs is equal to the total number of cow legs. How many animals does the farmer have?
Three squirrels Anni, Asia and Elli have collected 7 nuts. They have all collected a different amount of nuts, and everybody has collected at least one nut. Anni has collected the least and Asia the most. How many nuts has Elli collected?
Anna and Peter live on the same side of a road. On one side of Anna’s houses, there are 27 houses, and on the other side, there are 13 houses. Peter’s house is on the right side of Anna’s house and is located midway of the road. How many houses are there between Anna’s house and Peter’s house?
A secret agent wants to crack a six digit code. He knows that the sum of the digits in the even positions is equal to the sum of the digits in the odd positions. One of the following numbers is the code. Which one is that?
Meta collects pictures of famous sports people. Each year she collects as many pictures as she did in the previous two years. In 2008 she collected 60 photos and in 2009 she collected 96. How many photos did she collect in 2006?