(1). A alone can complete a piece of work in 6 days and B alone can complete the piece of work in 12 days. In how many days A and B can together complete the same piece of work?

• (a). 4
• (b). 5
• (c). 6
• (d). 2
• (e). None of these

(2). Deepika and Sathiya can complete a work separately in 10 days and 15 days. When will the work be complete, if they work together?

• (a). 6
• (b). 5
• (c). 8
• (d). 7
• (e). None of these

(3). Tap ‘A’ fill the tank in 10 hours where as tap ‘B’ can fill that tank in 15 hours, if both the taps are opened simultaneously, in how much time the tank gets full?

• (a). 3
• (b). 4
• (c). 2
• (d). 6
• (e). None of these

(4). A can complete a piece of work in 12 days whereas A and B together can complete the same work in 8 days. How long will it take for B alone to complete the work?

• (a). 14
• (b). 26
• (c). 16
• (d). 24
• (e). None of these

(5). A can complete a piece of work in 30 days whereas A and B together can complete the same work in 10 days. How long will it take for B alone to complete the work?

• (a). 26
• (b). 25
• (c). 30
• (d). 15
• (e). None of these

(6). Tap ‘A’ fill the tank in 12 hours where as tap ‘B’ can empty that tank in 30 hours, if both the taps are opened simultaneously, in how much time the tank gets full?

• (a). 30
• (b). 40
• (c). 20
• (d). 60
• (e). None of these

(7). A can do a work in 15 days and B alone can do that work in 25 days. If B after doing 5 days leaves the job, find in how many days A will do the remaining work.

• (a). 7
• (b). 12
• (c). 18
• (d). 16
• (e). None of these

(8). A can complete a job in 9 days, B in 10 days and C in 15 days, B and C start the work and are forced to leave after 2 days. The time taken to complete the remaining work is

• (a). 12
• (b). 14
• (c). 6
• (d). 15
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these