1. Ayesha can complete a piece of work in 16 days. Amita can complete the same piece of work in 8 days. If both of them work together in how many days can they complete the same piece of work ?

a) 6 days

b) 22/5 days

c) 16/3 days

d) 12 days

e) None of these

2. 6 men can complete a piece of work in 12 days. 8 women can complete the same piece of work, in 18 days whereas 18 children can complete the piece of work in 10 days, 4 men, 12 women and 20 children work together for 2 days. If only men were to complete the remaining work in 1 day how many men would be required totally ?

a) 36

b) 24

c) 18

d) Cannot be determined

e) None of these

3. 3 men can complete a piece of work in 6 days. 5 women can complete the same work In 18 days. In how many days will 4 men and 10 women together complete the same work ?

(a) 3 days

(b) 5 days

(c) 2 days

(d) 4 days

(e) None of these

4. 8 men can complete a piece of work in 20 days. 8 women can complete the same work in 32 days. In how many days will 5 men and 8 women together complete the same work ?

(a) 16 days

(b) 12 days

(c) 14 days

(d) 10 days

(e) None of these

5. 2 men can complete a piece of work in 6 days. 2 women can complete the same piece of work in 9 days, whereas 3 children can complete the same piece of work in 8 days. 3 women and 4 children worked together for 1 day. If only men were to finish the remaining work in 1 day, how many total men would be required?

a) 4

b) 8

c) 6

d) Cannot be determined

e) None of these

6. Vikas gets rs. 350 for every day that he works. If he earns rs. 9,800 in a month of 31 days, for how many days did he work?

(a) 25 days

(b) 30days

(c) 24 days

(d) 28days

(e) None of these

7. A water tank has three taps A, B and C. Tap A, when opened, can fill the water tank alone in 4 hours. Tap B, when opened, can fill the water tank alone in 6 hours and tap C, when opened, can empty the water tank alone in 3 hours. If taps A, B and C are opened simultaneously how long will It take to fill the tank completely ?

(a) 10 hours

(b) 8 hours

(c) 18 hours

(d) 12 hours

(e) None of these

8. 4 girls can do a piece of work in 8 days, 3 boys can do the same piece of work in 9 days, 7 men do the same piece of work in 2 days and 5 women can do the same piece of work in 4 days. Who is least efficient ?

(a) Boys

(b) Girls

(c) Women

(d) Men

(e) Boys and Men both

9. Two men alone or three women alone can complete a piece of work in 4 days. In how many days can 1 woman and one man together complete the same piece of work ?.

(a) 6 days

(b) 24/5 days

(c)2/ 1.75 days

(d)Cannot be determined

(e)None of these

10. Four examiners can examine a certain number of answer papers in 10 days by working for 5 hours a day. For how many hours in a day would-2 examiners have to work in order to examine twice the number of answer papers in 20 days ?

(a) 8 hours

(b) 15/2 hours

(c) 10 hours

(d) 17/2 hours

(e) None of these