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Madhya Pradesh Police Exam Model Paper 9
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© examsnet.com
Question : 69
Total: 100
If 12 men complete one-fourth of a piece of work in 10 days, working 8 hours a day, in how many days 15 men complete full piece of work when they work 6 hours a day?
128/3 days
40 days
130/3 days
70/3 days
Validate
Solution:
Given
:
12 men complete one-fourth of a piece of work in 10 days, working 8 hours a day.
Concept used:
M
1
×
D
1
×
H
1
/
W
1
=
M
2
×
D
2
×
H
2
/
W
2
Where,
M → Number of men,
D → Number of days,
H → Number of hours,
W → Work
Calculation
:
M
1
×
D
1
×
H
1
/
W
1
=
M
2
×
D
2
×
H
2
/
W
2
⇒
12
×
10
×
8
/
(
1
/
4
)
=
15
×
D
2
×
6
/
1
⇒ D
=
12
×
10
×
8
×
(
4
/
15
)
×
6
⇒
128
/
3
days
∴ 15 men would complete full piece of work in 128/3 days when they work 6 hours a day.
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