Question : A can do a piece of work in 10 days, while A and B together can complete it in $2\frac{1}{2}$ days. How long will B alone take to complete the work?

Option 1: $\frac{3}{10}$ days

Option 2: $\frac{10}{3}$ days

Option 3: $3$ days

Option 4: $4$ days

Question : Jeevan can do a piece of work alone in 42 days, while Rishi and Jeevan together can do the same piece of work in 27 days. How many days will Rishi take to complete the same piece of work alone?

Option 1: $74\frac{3}{5}$

Option 2: $75\frac{1}{5}$

Option 3: $75\frac{4}{5}$

Option 4: $75\frac{3}{5}$

Question : John can do a piece of work alone in 20 days, while Ravi can do the same piece of work alone in 28 days. In how many days can the duo complete the same work if they work together?

Option 1: $11\frac{1}{3}$

Option 2: $12\frac{2}{3}$

Option 3: $11\frac{2}{3}$

Option 4: $12\frac{1}{3}$

Question : Tom can do a piece of work in 7 days, whereas Jay can do the same work in 14 days. How long will it take to finish the work if both work together?

Option 1: $5\frac{2}{3}$ days

Option 2: $4\frac{2}{3}$ days

Option 3: $7\frac{2}{3}$ days

Option 4: $2\frac{2}{3}$ days

Question : A can do $\frac{2}{5}$ of a work in 12 days while B can do $66\frac{2}{3}\mathrm{\%}$ of the same work in 16 days. They work together for 10 days. B alone will complete the remaining work in:

Option 1: 6 days

Option 2: 4 days

Option 3: 8 days

Option 4: 9 days

Question : A can do $\frac{4}{5}$th of a work in 20 days and B can do $\frac{3}{4}$th of the same work in 15 days. They work together for 10 days. C alone completes the remaining work in 1 day. B and C together can complete $\frac{3}{4}$th of the same work in:

Option 1: 6 days

Option 2: 8 days

Option 3: 5 days

Option 4: 4 days