Question : How many men need to be employed to complete a job in 5 days, if 15 men can complete $\frac{1}{3}$ of the job in 7 days?

Option 1: 20

Option 2: 21

Option 3: 45

Option 4: 63

Question : 4 men and 8 women complete a job in 10 days and 5 men and 24 women complete the same work in 4 days. In how many days will 1 man and 1 woman complete the same work?

Option 1: $63 \frac{1}{3}$ days

Option 2: $69 \frac{7}{9}$ days

Option 3: $67 \frac{1}{3}$ days

Option 4: $62 \frac{2}{9}$ days

Question : 12 men can do work in 8 days while 4 boys can do it in 40 days. In how many days 9 boys and 3 men together will complete the same work?

Option 1: 10 days

Option 2: $\frac{280}{13}$ days

Option 3: $\frac{80}{7}$ days

Option 4: $\frac{260}{17}$ days

Question : If $A:B=7:9$ and $B:C =3:5$, then $A:B:C$ is equal to:

Option 1: $7:9:5$

Option 2: $21:35:45$

Option 3: $7:9:15$

Option 4: $7:3:15$

Question : 30 women working 5 hours a day can complete a work in 18 days, In how many days will 21 women working 8 hours a day complete the same work?

Option 1: $18 \frac{7}{13}$ days

Option 2: $17 \frac{11}{13}$ days

Option 3: $16 \frac{1}{14}$ days

Option 4: $13 \frac{3}{14}$ days

Question : A and B together can complete a piece of work in 15 days and B alone can complete it in 21 days. In how many days can A complete it alone?

Option 1: $41 \frac{1}{2}$ days

Option 2: $52 \frac{1}{2}$ days

Option 3: $31 \frac{1}{2}$ days

Option 4: $57 \frac{1}{2}$ days