Question : 15 men and 21 women working together can do a job in 56 days, while 12 men and 24 women working together can do the same job in 64 days. In how many days can the same job be done by 18 men and 24 women working together?

Option 1: $47\frac{6}{19}$

Option 2: $47\frac{5}{19}$

Option 3: $47\frac{9}{19}$

Option 4: $47\frac{3}{19}$

Question : A can do 50% of the job in 16 days. B can do $\frac{1}{4}$th of the job in 24 days. In how many days can they do $\frac{3}{4}$th of the job working together?

Option 1: 24

Option 2: 9

Option 3: 21

Option 4: 18

Question : P and Q together complete a job in $4 \frac{2}{5}$ days. R and S complete the same job in $4 \frac{8}{9}$ days. If P, Q, R, and S work together, how many days do they need to complete the same job?

Option 1: $2 \frac{7}{18}$

Option 2: $1 \frac{7}{18}$

Option 3: $1 \frac{6}{19}$

Option 4: $2 \frac{6}{19}$

Question : Two men and 7 women can complete a work in 28 days, whereas 6 men and 16 women can do the same work in 11 days. In how many days will 5 men and 4 women, working together, complete the same work?

Option 1: 20

Option 2: 18

Option 3: 14

Option 4: 22

Question : 8 men can complete a task in 45 days. 8 women can complete the same task in 18 days. In how many days will 5 men and 8 women, together, complete the same task?

Option 1: $13 \frac{1}{5}$

Option 2: $12 \frac{4}{5}$

Option 3: $14 \frac{2}{5}$

Option 4: $15 \frac{3}{5}$

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