Question : A and B can complete a work in 10 and 16 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in:

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

Option 2: $13 \frac{1}{4}$ days

Option 3: $15 \frac{1}{4}$ days

Option 4: $14 \frac{1}{4}$ days

Question : X and Y can complete a work in 9 days and 36 days, respectively. X begins to do the work and they work alternately one at a time for one day each. The whole work will be completed in:

Option 1: $12\frac{1}{2}$ days

Option 2: $14\frac{1}{4}$ days

Option 3: $13\frac{1}{3}$ days

Option 4: $15\frac{1}{5}$ days

Question : A, B, and C working alone, can complete a job in 16, 24, and 36 days, respectively. In how many days can they complete the job if they work together?

Option 1: $7 \frac{11}{19}$

Option 2: $5 \frac{17}{19}$

Option 3: $4 \frac{13}{19}$

Option 4: $6 \frac{7}{19}$

Question : Pawan can do a piece of work in 32 days. He worked for 8 days and left the work. Thereafter Sandeep finished the remaining work in 27 days. In how many days can Pawan and Sandeep together do the whole work?

Option 1: $16 \frac{16}{17}$ days

Option 2: $16 \frac{13}{17}$ days

Option 3: $16 \frac{15}{17}$ days

Option 4: $16 \frac{14}{17}$ days

Question : P, Q, and R can complete a piece of work in 10 days, 15 days, and 20 days, respectively. If they work together, in how many days can they finish the same work?

Option 1: $4 \frac{8}{13}$

Option 2: $4 \frac{3}{7}$

Option 3: $4 \frac{7}{13}$

Option 4: $4 \frac{5}{7}$