A can knit a pair of socks in 3 days. B can knit the same pair in 9 days. If they are knitting together, then in how many days will they knit two pairs of socks? `3\ d a y s` b. `4\ d a y s` c. `4 1/2d a y s` d. `5\ d a y s`

A can knit a pair of socks in 3 days. B can knit the same thing in 6 days. If they are knitting together, in how many days will they knit two pairs of socks? (a)4 days (b)2 days (c) 4 (1)/(2) days (d)3 days

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work ? 18 d a y s b. 24 d a y s c. 30 d a y s d. 36 d a y s

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone ? a. 30 d a y s b. 40 d a y s c. 60 d a y s d. 70 d a y s

A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in 4 d a y s b. 6 d a y s c. 8 d a y s d. 12 d a y s

A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work? 110 d a y s b. 11 d a y s c. 15 d a y s d. 20 d a y s

8 men can complete a piece of work in 20 days. 8 women can complete the same work in 32 days. In how many days will 5 men and 8 women together complete the same work? 10 d a y s b. 12 d a y s c. 14 d a y s d. 16 d a y s e. none of these

40 men can complete a piece of work in 15 days. 20 more men join them after 5 days they start doing work. How many days will be required by them to finish the remaining work? a. 7 2/3 d a y s b. 6 1/5 d a y s c. 8 1/4 d a y s d. 6 2/3 d a y s

12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work? 2 d a y s b. 3 d a y s c. 4 d a y s d. 5d a y s e. none of these

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be 4 d a y s b. 5 d a y s c. 6 d a y s d. 7 d a y s