If 70 dogs with 5 legs each catch 90 rabbits with 3 legs each in 25
minutes, how many legs must 80 rabbits have to get away from 50 dogs
with 2 legs each in half an hour?
8. Suppose a greyhound makes 27 springs whilst a hare makes 25, and
the springs are equal: if the hare is 50 springs before the hound at
the start, in how many springs will the hound overtake the hare?
The first Arithmetic in English was written by Tonstal, Bishop of
London, and printed by Pinson in 1552.
Two persons playing dominoes 10 hours a day and making 4 moves a
minute could continue 118,000 years without exhausting all the
combinations of the game.
A schoolmaster wrote the word “dozen” on the blackboard, and asked
the pupils to each write a sentence containing the word. He was
somewhat taken aback to find on one of the slates the following
unique sentence: “I dozen know my lesson.”
9.
I have a piece of ground, which is neither square nor round,
But an octagon, and this I have laid out
In a novel way, though plain in appearance, and retain
Three posts in each compartment; but I doubt
Whether you discover how I apportioned it, e’en tho’
I inform you ’tis divided into four.
But, if you solve it right, ’twill afford you much delight
And repay you for the trouble, I am sure.
[Illustration]
At an examination in arithmetic, a little boy was asked “what two and
two made?” Answer--“Four.” “Two and four?” Answer--“Six.” “Two and
six?” Answer--“Half-a-crown.”
10. A certain gentleman dying left his executor the sum of £3,000
to be disposed of in the following manner, viz.:--To give to his
son £1,000, to his wife £1,000, to his sister £1,000, and to his
sister’s son £1,000, to his mother’s grandson £1,000, to his own
father and mother £1,000, and to his wife’s own father and mother
£1,000--required, the scheme of kindred.