10. The wine Merchant and his Clerk.—A wine merchant caused thirty-two casks of choice wines to be deposited in his cellar, giving orders to his clerk to arrange them as in the annexed figure, so that each external row should contain nine. The clerk, however, took away twelve of them, at three different times—that is, four at each time, yet when the merchant went into the cellar, after each theft had been committed, the clerk always made him count nine in each row. How was this possible?
| 11. | man’s family. |
12. First draw a square and divide it into four parts. Then make six marks in the first square and say they represent six pigs, for you pretend to describe a farmyard you once saw. In the next square make six more marks to represent cows, in the next square six more marks for horses, and the last square represent donkeys.
ARITHMETICAL PROBLEMS.
1. An old man married a young woman; their united ages amounted to one hundred. The man’s age, multiplied by four and divided by nine, gives the woman’s age. What were their respective ages?
2. How many yards of paper, three-quarters of a yard wide, will cover a chamber that is sixty feet round, and ten feet one and one-half inches high?
3. In a family of eight young people, it was agreed that three at a time should visit the Crystal Palace, and that the visit should be repeated each day as long as a different trio could be selected. In how many days were the possible combinations of three out of eight completed?