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Time and Work
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Meghana alone would take 32 hours more to complete a job than both Meghana and Ganeshtogether.
If Ganesh worked alone, he took 12 1/2 hours more to complete it than both Meghana and Ganesh workedtogether.
What time would they take if both Meghana and Ganesh worked together
18 hrs
20 hrs
20.5 hrs
22 hrs
Three athletes can complete one round around a circular field in 16, 24 and 36 minrespectively.
They start running together at same instant then after how much time they will meet to each other for first time
2 hrs 24 min
1 hrs 24 min
2 hrs 44 min
12 men complete a work in 14days.
5 days after they had started working, 3 men jointhem.
How many more days will all of them take to complete the remaining work
4
2
5
3
Lasya alone can do a work in 16days.
Srimukhi’s efficiency is 20 % lesser than that ofLaya.
If Rashmi and Srimukhi together can do the same work in 12 days, then find the efficiency ratio of Rashmi to that of Lasya
31 : 17
30 : 19
8 : 15
19 : 7
5 boys and 3 girls can together cultivate a 23 acre field in 4 days and 3 boys and 2 girls together can cultivate a 7 acre field in 2days.
How many girls will be needed together with 7 boys, if they cultivate 45 acres of field in 6 days
2
4
1
3
A, B and C can do a piece of work in 72, 48 and 36 daysrespectively.
For first p/2 days, A & B work together and for next ((p+6))/3days all three workedtogether.
Remaining 125/3% of work is completed by D in 10days.
If C & D worked together for p day then, what portion of work will be remained
1/5
1/6
1/8
1/7
M, N and O can complete the work in 18, 36 and 54 daysrespectively.
M started the work and worked for 8 days, then N and O joined him and they all worked together for somedays.
M left the job one day before completion ofwork.
For how many days they all worked together
5
3
4
6
P, Q, and R can do a job in 12 daystogether.
If their efficiency of working be in the ratio 3 : 8 : 5, Find in what time Q can complete the same work alone
30 days
22 days
36 days
24 days
5 men and 3 boys can together cultivate a 23 acre field in 4 days and 3 men and 2 boys together can cultivate a 7 acre field in 2days.
How many boys will be needed together with 7 men, if they cultivate 45 acre of field in 6 days
4
3
2
6
Two persons Shyam and Rahim can do a job in 32 daystogether.
Rahim can do the same job in 48 daysalone.
They started working together and after working 8 days Rahim is replaced by a third person Ram whose efficiency is half that ofRahim.
Find in how many days the remaining work will be completed by both Shyam and Ram together
72/5 days
96/5 days
16 days
15 days
6 men can complete a piece of work in 12days.
8 women can complete the same piece of work in 18 days whereas 18 children can complete the piece of work in 10days.
4 men, 12 women and 20 children work together for 2days.
If only men were to complete the remaining work in 1 day how many men would be required totally
36
76
72
38
Three men, four women and six children can complete a work in 9days.
A women does double the work a man does and a child does half the work a mandoes.
How many women alone can complete this work in 9 days
8
9
7
6
9 girls working 7 hours a day can complete a piece of work in 15day.
In how many days can 6 girls working for 9 hours a day, complete the same piece of work
37/3 days
17.5 days
19 3/4 days
35/4 days
If a soldier fires 7 shots from a gun in 12 minutes then find the total number of shots fired by the man in 3/2 hrs
44
47
45
46
A woman fills a bucket in 6minutes.
1845 buckets have to be filled from 8 am. to 9:30 am. How many woman employees should be employed for this task
111
139
123
117
If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days what is time taken by 15 men and 20 boys
4 days
7 days
6 days
5 days
P is 30% more efficient than Q. How much time will they, working together, take to complete a job which P alone could have done in 23 days
13 days
15 days
16 days
12 days
If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7days.
In how many days can the work be done by 5 men and 4 women working together
4 days
2 days
6 days
3 days
X can complete the work in 10 days, Y can do the same in 15days.
If they are hired for 5 days to do the work together, what is the work that left unfinished
1/3
1/6
5/6
2/3
Three taps P, Q and R can fill a tank in 12 hrs, 15 hrs and 20 hrsrespectively.
If P is open all the time and Q and R are open for one hour each alternately, starting with Q, then the tank will be full in how many hours
11 hrs
7 hrs
13 hrs
9 hrs
1
2
6
11
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