Hares found a log 6 m long in the forest. To take it home, they sawed it into pieces 1 meter long. How many cuts did they make?

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A piece fell out of the book, the first page of which has the number 35, and the last has 74. How many pages fell out?

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Now the hares already have several logs. They sawed all the logs, making 20 cuts, and got 27 logs. How many logs did the hares have?

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How many two-digit numbers are there? What about three digits?

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The snail must climb a pole 10m high. Every day it rises 4m, and every night it slides down 3m. When will the snail reach its target if it started on Monday morning?

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The main building of Moscow State University consists of several sectors. The highest tower with a spire is sector A, it is educational. Side sectors B and C adjoin it - dormitories for students. Floors in different sectors differ in height. Because of this, for example, it turns out that transitions from the 13th floor of sector A lead to the 19th floor of sectors B and C.
What is the ratio of the floor height of sector A to sector B?

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How many times a day does the minute hand overtake the hour hand on the clock?

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What is an even number and what is an odd number? What is the number 0: even or odd?

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Wikipedia

Is it possible to exchange 25 lire with ten coins of 1, 3 and 5 lire?

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Discussion here