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Time and Work Practice Test 1 with solutions
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© examsnet.com
Question : 19
Total: 40
Albela, Bob and Chulbul have to read a document of seventy-eight pages and make a presentation the next day. They realize that the article is difficult to understand and they would require a team work to finish the assignment. Albela can read a page in 2 minutes, Bob in 3 minutes and Chulbul in 4 minutes. If they divide the article into 3 parts, so that all the three of them spend the equal amount of time on the article, the number of pages that Bob should read is
24
25
26
27
28
Validate
Solution:
👈: Video Solution
Albela’s 1 minute work =
1
2
Bob’s 1 minute work =
1
3
Chulbul’s 1 minute work =
1
4
Total work done in 1 minute =
1
2
+
1
3
+
1
4
=
6
+
4
+
3
12
=
13
12
Total number of pages = 78
13
12
of work is done in 1 minute = 1
78 pages are read in 1 minute =
12
13
×
78
= 72
Number of pages that Bob should read =
1
3
×
72
= 24 pages
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