536 Puzzles and Curious Problems

276 Answers

that to increase by three-fourths of the product is to take seven-fourths. And

in the reverse process, at this step, you take four-sevenths.

216. BIBLICAL ARITHMETIC

There were seven in the Sunday School class. The successive numbers re-

quired by the questions in their order are as follows: 12, 7, 6, 10, 7, 50, 30, 5,

15,4,8.

217. THE PRINTER'S PROBLEM

The printer must have purchased the following twenty-seven types:

AABCDEEEFGHlJLMNOOPRRSTUUVY

218. THE SWARM OF BEES

There were seventy-two bees.

219. BLINDNESS IN BATS

The fewest possible would be 7, and this might happen in either of three
ways:
(I) 2 with perfect sight, 1 blind only in the right eye, and 4 totally blind.
(2) 1 with perfect sight, I blind in the left eye only, 2 blind in the right eye
only, and 3 totally blind.
(3) 2 blind in the left eye only, 3 blind in the right eye only, and 2 totally
blind.

220. THE MENAGERIE

As the menagerie contained two monstrosities-the four-footed bird and
the six-legged calf-there must have been 24 birds and 12 beasts in all.

221. SHEEP STEALING

The number of sheep in the flock must have been 1,025. It will be found

that no mutilation of any sheep was necessary.