Math Riddles

  1. The fishing trip.
  2. The age of the three children.
  3. The number of pineapples.
  4. The age of the niece.
  5. The cost of the clothes.
  6. The farmer and the rock.
  7. The missing dollar.
  8. Integer sequence.
  9. The three jugs.
  10. The three builders.
  11. The age of Frank and his sister.
  12. The freight train and the passenger train.
  13. The population of the towns.
  14. The number of chickens and ducks.
  15. What number am I?
  16. Find the numbers.
  17. Letter sequence.