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17. CPM factory employs 60 workers. If 4 out of every 5 workers are married, how many married workers are employed by the factory? A. 24 B. 48 C. 20 D. 40 18. A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours. How long (in number of hours) would it take the pipe to fill the tank if the drain was simultaneously opened during the duration of the filling job and the tank were entirely emptied at the start? A. 9.32 C. 8.57 B. 7.51 D. 6.85 19. Find the sum of the first 10 terms of the Geometric Progression 2, 4, 8, 16, ... A. 1023 C. 1596 B. 2046 D. 225

17. CPM factory employs 60 workers. If 4 out of every 5 workers are married, how many married workers are employed by the factory? A. 24 B. 48 C. 20 D. 40 18. A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours. How long (in number of hours) would it take the pipe to fill the tank if the drain was simultaneously opened during the duration of the filling job and the tank were entirely emptied at the start? A. 9.32 C. 8.57 B. 7.51 D. 6.85 19. Find the sum of the first 10 terms of the Geometric Progression 2, 4, 8, 16, ... A. 1023 C. 1596 B. 2046 D. 225

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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17. CPM factory employs 60 workers. If 4 out of every 5 workers are married, how many married workers are employed by the factory? A. 24 B. 48 C. 20 D. 40 18. A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours. How long (in number of hours) would it take the pipe to fill the tank if the drain was simultaneously opened during the duration of the filling job and the tank were entirely emptied at the start? A. 9.32 C. 8.57 D. 6.85 B. 7.51 19. Find the sum of the first 10 terms of the Geometric Progression 2, 4, 8, 16, ... A. 1023 C. 1596 B. 2046 D. 225
Transcribed Image Text:17. CPM factory employs 60 workers. If 4 out of every 5 workers are married, how many married workers are employed by the factory? A. 24 B. 48 C. 20 D. 40 18. A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours. How long (in number of hours) would it take the pipe to fill the tank if the drain was simultaneously opened during the duration of the filling job and the tank were entirely emptied at the start? A. 9.32 C. 8.57 D. 6.85 B. 7.51 19. Find the sum of the first 10 terms of the Geometric Progression 2, 4, 8, 16, ... A. 1023 C. 1596 B. 2046 D. 225
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