MathDB
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Contests
National and Regional Contests
India Contests
India IOQM
2020-21 IOQM India
20
20
Part of
2020-21 IOQM India
Problems
(1)
IOQM 2021 P20
Source:
1/17/2021
A group of women working together at the same rate can build a wall in
45
45
45
hours. When the work started, all the women did not start working together. They joined the worked over a period of time, one by one, at equal intervals. Once at work, each one stayed till the work was complete. If the first woman worked 5 times as many hours as the last woman, for how many hours did the first woman work?