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Hansel
Questions (5)
Two workers, if they were working together, could finish a certain job in 12 days. If one of the workers does the first half of
4 answers
2,658 views
A bus covered the 400-km distance between points A and B at a certain speed. On the way back the bus traveled at the same speed
1 answer
837 views
Two plumbers received a job. At first, one of the plumbers worked alone for 1 hour, and then they worked together for the next 4
3 answers
5,981 views
what are the causes of dark ages?
2 answers
350 views
who are the people involved in dark ages?
1 answer
375 views
