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Time and Work Practice Test 2 with solutions
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© examsnet.com
Question : 8
Total: 40
Rohan and Sohan undertook to do a piece of work for Rs 7,200 that Rohan alone can do in 4 days and Sohan in 6 days but with the help of Shruti, they finished it in just 2 days. Shruti’s share will be:
Rs 1,800
Rs 1,200
Rs 900
Rs 1,620
Rs 1,180
Validate
Solution:
Let work done by Shruti in one day =
1
x
Work done by Rohan in one day =
1
4
Work done by Sohan in one day =
1
6
Work done by all of them in one day =
1
2
According to the question,
1
x
=
1
2
−
1
4
−
1
6
1
x
=
6
−
3
−
2
12
=
1
12
So, the required Ratio =
1
4
:
1
6
:
1
12
= 3 : 2 : 1
Shruti’s share of money =
1
6
×
7200
= Rs 1200
© examsnet.com
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