3 pumps working 8 hours a day can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?
ক) 9
খ) 10
গ) 11
ঘ) 12
Related Questions
ক) X
খ) S
গ) A
ঘ) Z
ক) 3:4
খ) 4:5
গ) 2:3
ঘ) 4:7
ক) 5, 3, 4, 1, 2
খ) 3, 5, 4, 2, 1
গ) 3, 5, 1, 4, 2
ঘ) 5, 3, 1, 2, 4
ক) 564
খ) 645
গ) 735
ঘ) 756
জব সলুশন
