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Convergence articles

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In a square box that contains 1000 marbles, how many will it take to reach across the bottom of the box in a straight row?
A cliff with a tower on its edge is observed from a boat at sea; find the height of the cliff and the tower.
A fellow said that when he counted his nuts by twos, threes, fours, fives and sixes, there was still one left over; but when he counted them by sevens they came out even. How many did he have?
The beginnings of land measurement in the early United States and how this affected American democracy.
Two circles of radii 25 feet intersect so that the distance between their centers is 30 feet. What is the length of the side of the largest square inscribable within their intersecting arcs?
Determine a number having remainders 2, 3, 2 when divided by 3, 5, 7 respectively.
Find a number having remainder 29 when divided by 30 and remainder 3 when divided by 4.

A bibliographical reference to mathematics books printed in the new world before 1700.

A lion, a wolf and a fox each take a certain amount of time to eat a goat separately. How long would it take all these animals together to eat the goat?
A farmer sold a team of horses for $440, but did not receive his pay for them until 1 yr, 8 mo after the sale. He had at the same time another offer of $410 for them. Did he gain or lose by the sale and by how much, money being worth 6%/yr?