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Answer» Tap A needed 40 hrs & Tap B needed 24 hrs to fill the SWIMMING poolStep-by-step explanation: Both Taps can fill swimming pool in 15 hrs => Both taps can fill in 1 hr = 1/15 Both taps can fill in 12 hr = 12/15 = 4/5 swimming pool Remaining to filled = 1 - 4/5 = 1/5 Tap A fill in 8 hrs = 1/5 => Tap A fill in 1 hr = 1/40 => Tap A can fill swimming pool in 40 hrs tap B can fill swimming pool in 1 hr = 1/15 - 1/40 = (8 - 3)/120 = 5/120 = 1/24 Tap B can fill swimming pool in 24 hrs Tap A needed 40 hrs & Tap B needed 24 hrs to fill the swimming pool Learn More: TWO taps A and B can fill a tank in 5 hours and 20 hours respectively ... Two taps A and B can fill a cistern in 12 hours and 18 hours ... |
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