Study the following Questions carefully to answer the questions that follow:
1.A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in
20 days
22 1/2
30 days
25 days
None of these
The answer is (2)
2.A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
325 Rs.
Rs. 400
600 Rs.
Rs. 800
None of these
The answer is (2)
3. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
8 hours
10 hours
12 hours
24 hours
None of these
The answer is (3)
4.A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in
15 days
20 days
25 days
30 days
None of these
The answer is (3)
5.A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ?
12 : 30 P.M
1:00 P.M.
11: 30 A.M
2: 00 P.M.
None of these
The answer is (2)
6.4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
40
35
25
20
None of these
The answer is (1)
7. 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
3
4
8
7
None of these
The answer is (4)
8. X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
6 days
10 days
15 days
20 days
None of these
The answer is (2)
9. A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
12
15
16
13
None of these
The answer is (4)
10.Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is