Question : 4 men and 7 women can do work in 8 days. 7 men and 4 women can do the same work in 5 days. Find the number of days in which 8 women can finish the work.

Option 1: 60 days

Option 2: 55 days

Option 3: 40 days

Option 4: 45 days

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 : 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 can finish a work in 7 days. B can finish the same work in 9 days. The number of days required to finish the same work by both of them together is:

Option 1: $1\frac{15}{16}$

Option 2: $2\frac{15}{16}$

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

Option 4: $4\frac{15}{16}$

Question : 16 women take 12 days to complete a work which can be completed by 12 men in 8 days. 16 men started working and after 3 days 10 men left and 4 women joined them. How many days will it take them to complete the remaining work?

Option 1: 4

Option 2: 6

Option 3: 8

Option 4: 10