Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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Problem K. 482. (December 2015)

K. 482. In a bicycle factory, the bicycles produced are tested systematically. The brakes are tested on every fifth bike, the gears are tested on every fourth, and the shifter is tested on every seventh one. They manufacture 435 bicycles a day. How many bicycles are issued from the factory per day without anything tested on them?

(6 pont)

Deadline expired on January 11, 2016.


154 students sent a solution.
6 points:74 students.
5 points:34 students.
4 points:20 students.
3 points:9 students.
2 points:7 students.
1 point:6 students.
0 point:4 students.

Problems in Mathematics of KöMaL, December 2015