Q 1: Micheal and Adam can do together a piece of work in 20 days. After they have worked together for 12 days Micheal stops and Adam completes the remaining work in 10 days. In how many days Micheal complete the work separately. 90days 100days 80days 70days

Q 2: Matt and Peter can do together a piece of work in 20 days. After they have worked together for 12 days Matt stops and Peter completes the remaining work in 10 days. In how many days Peter complete the work separately. 20days 15days 25days 30days

Q 3: Two taps can fill a tub in 5min. and 7min. respectively. A pipe can empty it in 3min. If all the three are kept open simultaneously when will the tub be full. 95min. 100min. 105min. 110min.

Q 4: Tow taps can fill a tub in 10min. and 15min. respectively. A pipe can empty it in 8min. If all the three are kept open simultaneously when will the tub be full. 28min. 26min. 24min. 20min.

Q 5: Two taps can fill water tank in 9min. and 12min. respectively. In what time the tank will be full, if second tap starts working 2min. after first started working. 6min. 10min. 8min. 5min.

Q 6: Two taps can fill a tub in 24min. and 32min. separately. Another tap can empty the full tub in 16min. If they are opened together at the same time when will the tub be full. 100min. 96min. 86min. 46min.

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