Aptitute 1

A and B, working together can finish a piece of work in 6 days, while A alone can do it in 9 days. How much time will B alone take to finish it?

• 18 days

• 8 days

• 51 days

• 26 days

A and B can do a piece of work in 18 days; B and C can do it in 24 days while C and A can finish it in 36 days. In how many days can A, B, C finish it, if they all work together?

• 10 days

• 11 days

• 6 days

• 16 days

Pipe A can fill an empty tank in 5 hours while pipe B can empty the full tank in 6 hours. If both are opened at the same time in the empty tank, how much time will they take to fill it up completely?

• 33 hours

• 20 hours

• 30 hours

• 10 hours

A can do a job in 16 days and B can do the same job in 12 days. With the help of C, they can finish the job in 6 days only. Then, C alone can finish it in

• 39 days

• 48 days

• 34 days

• 21 days

A and B can do a piece of work in 12 days, B and C in 15 days, and C and A in 20 days. How much time will A alone take to finish the job?

• 50 days

• 30 days

• 35 days

• 62 days

Anil can do a piece of work in 5 days and Ankur in 4 days. How long will they take to do the same work, if they work together?

• 12/7 days

• 20/9 days

• 14/5 days

• 9/7 days

A cistern has two inlets A and B which can fill it in 12 hours and 15 hours respectively. An outlet can empty the full cistern in 10 hours. If all the three pipes are opened together in the empty cistern, how much time will they take to fill the cistern completely?

• 31 hours

• 20 hours

• 5 hours

• 10 hours

A pipe can fill a cistern in 10 hours. Due to a leak in the bottom it is filled in 12 hours. When the cistern is full, in how much time will it be emptied by the leak?

• 50 hours

• 25 hours

• 51 hours

• 60 hours

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?

• 3

• 5

• 7

• cannot be determined

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:

• 46/5

• 47/5

• 48/5

• 10