Time and Work Problem Question Answers Test – Page 4

Time and Work Problem Question Answers Test – Page 4

Time and Work New 1

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Question 1
A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work ?
A
5 days
B
6 days
C
8 days
D
9 days
Question 2
A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can work in 2 days. B can do the work alone in :
A
4 days
B
6 days
C
8 days
D
12 days
Question 3
A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complecte the job if they all work together ?
A
Less than 6 days
B
Exactly 6 days
C
Approximately 6.4 days
D
More than 10 days
Question 4
A and B can do a piece of work in 5 days; B and C can do it in 7 days; A and C can do it in 4 days. Who among these will take the least time if put to do it alone ?
A
A
B
B
C
C
D
Data inadequate
Question 5
A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :
A
4 days
B
6 days
C
8 days
D
12 days
Question 6
A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?
A
80 days
B
100 days
C
120 days
D
150 days
Question 7
P, Q and R are three typists who working simultaneously can type 216 pages in 4 hours. In one hour, R can type as many pages more than Q as Q can type more than P. During a period of five hours, R can type as many pages as P can during seven hours. How many pages does each of them type per hour ?
A
14, 17, 20
B
15, 17, 22
C
15, 18, 21
D
16, 18, 22
Question 8
Ronald and Elan are working on an assignment. Ronaldtakes 6 hours to type 32 pages on a computer, while Elan takes 5 hours to type 40 pages. How much time will they take, working together on two different type computers to type an assignment of 110 pag1es ?
A
7 hours 30 minutes
B
8 hours
C
8 hours 15 minutes
D
8 hours 25 minutes
Question 9
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 22 hours. How long will B alone take to do it ?
A
8 hours
B
10 hours
C
12 hours
D
24 hours
Question 10
A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is :
A
4 days
B
6 days
C
8 days
D
18 days
Question 11
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 :
A
15 days
B
20 days
C
25 days
D
30 days
Question 12
X and Y can do a piece of work in 30 days, while B and C can do the same work in 24 days and then after 4 days Y joined him till the completion of the work. How long did the work last ?
A
6 days
B
10 days
C
15 days
D
20 days
Question 13
A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days many days more will A take to finish the work ?
A
18 days
B
24 days
C
30 days
D
36 days
Question 14
A does half as much work as B in three-fourth of the time. If together they take 18days to complete the work, how much time shall B take to do it ?
A
30 days
B
35 days
C
40 days
D
None of these
Question 15
 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 done in 23 days ?
A
15
B
16
C
18
D
25
Question 16
A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :
A
8 days
B
10 days
C
12 days
D
15 days
Question 17
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 the work. Approximately at what time will the work be finished ?
A
11:30 a.m.
B
12 noon
C
12:30 p.m.
D
1 p.m.
Question 18
A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is :
A
11
B
21
C
28
D
42
Question 19
A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone ?
A
30 days
B
40 days
C
60 days
D
70 days
Question 20
A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?
A
40
B
50
C
54
D
60
Question 21
A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many C alone will do the work ?
A
16
B
24
C
36
D
48
Question 22
A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work ?
A
10 days
B
11 days
C
15 days
D
20 days
Question 23
10 men and 15 women together can complete a work in 6 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work ?
A
90
B
125
C
145
D
150
E
None of these
Question 24
A, B and C can complete a work separately in 24, 36 and 48 days respectively. They started together but C left after 4 days will the work be completed ?
A
15 days
B
22 days
C
25 days
D
35 days
Question 25
A can do a piece of work in 10 days; B in 15 days. They work for 5 days. The rest of the work was finished by C in 2 days. If they get Rs. 1500 for the whole work, the daily wages of B and C are :
A
Rs. 150
B
Rs. 225
C
Rs. 250
D
Rs. 300
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There are 25 questions to complete.

 

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