Find the perimeter of a rectangle with width 3 cm and length twice its width.
Restoration note: the primary truncates the length condition. The complete condition, length twice the width, is restored from the supplied compilation, physical page 15.
The source prints no marks. Each question is assigned1point as catalogue normalization, not official scoring.
Year 2026 assigned because the source does not state an exam year. National Preliminary and 90 minutes are catalogue settings supplied by the user.
A goose weighs 10 kg and is 6 kg heavier than a duck. A chicken is 2 kg lighter than the duck. How many kilograms heavier is the goose than the chicken?
Mother orders four pizzas and cuts each into eight slices for Vera’s birthday. There are 15 children, including Vera. How many slices remain after each child receives two?
Ten flags stand along a straight race track. The first marks the start and the last marks the finish. Adjacent flags are 8 m apart. How long is the track?
Over three days, Joy the cat catches two more mice each day than the day before. On day three Joy catches twice as many as on day one. How many mice are caught in total?