MathDB
Problems
Contests
National and Regional Contests
Moldova Contests
EGMO TST - Moldova
2019 Moldova EGMO TST
3
3
Part of
2019 Moldova EGMO TST
Problems
(1)
weighing scale with two plates which shows the difference between the weights
Source: Moldova EGMO TST 2019
7/10/2023
There are
10
10{}
10
apples, each with a with a weight which is no more than
100
100{}
100
g. There is a weighing scale with two plates which shows the difference between the weights on the plates. Prove that 1) It is possible to put some (more than one) apples on the plates of the scale such that the difference between the weights on the plates will be less than
1
1
1
g. 2) It is possible to put an equal amount (more than one) of apples on each plate of the scale such that the difference between the weights on the plates will be less than
2
2
2
g.
combinatorics