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Download lagu A cistern is provided with two pipes A and B. A can fill it in 20 minutes and B can empty it in 30.. secara gratis hanya untuk keperluan promosi. Dukung artis favorit kamu dengan membeli musik original di iTunes atau platform resmi lainnya.
A cistern is provided with two pipes A and B. A can fill it in 20minutes and B can empty it in
A cistern is provided with two pipes A and B. A can fill it in 20 minutes and B can empty it in 30
A cistern is provided with two pipes A and B. A can fill it in 20 minutes and B can empty it in 30
Q40-A, B, C are pipes attached to a cistern. A and B can fill it in 20 and 30 minutes respectively..
Q29-Two pipes can fill a cistern in 30 and 15 hours respectively. The pipes are opened simultan....
Q28-Two pipes can fill a cistern in 10 and 15 hours respectively. The pipes are opened simultan.....
Two pipes A and B can fill a tank in 24 minutes and 32 minutes respectively If both the pipes are o
Two pipes P & Q are attached to a tank. P can fill or empty a filled tank in 20 minutes and