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ASSIGNMENT NO 1(MTH 601)
Maximum Marks: 10
Due Date: 21 st November, 2016
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Question No 1:
A certain project is composed of mini activities whose time estimates are given below:
Activity Duration
1-2 20
1-3 25
2-3 10
2-4 12
3-4 6
4-5 10
(a)Construct the network diagram for the project
(b) Calculate the following time estimates for each activity
 Earliest Start Time
 Earliest Finish time
 Latest Start Time
 Latest Finish Time
Question No 2:
The activities involved in the construction of a building are given below. Draw the network
diagram.
Activity Predecessor activity
A -
B -
C B
D A
E C
F C
G  F
H F
I H
J I
K D,E,G,J
L I
M K,L
Question No 3:
(a)Calculate the following for each activity
 Total Float
 Free Float
(b)Identify the critical path

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Any body here for help? Time bht kam hay guys.....!

(a)Calculate the following for each activity

 Total Float

 Free Float

Activit

Total Float

Free Float

1,2

0

0

1,3

0

0

1,4

0

0

2,5

2

2

3,6

2

3

3,7

2

6

4,7

1

2

5,8

1

0

6,8

3

1

7,9

2

2

8,9

1

3

 

 

 

(b)Identify the critical path

 

There are 4 paths

 

  1. 1,2,5,8,9 = 8 days
  2. 1,3,6,8,9 = 12 days
  3. 1,3,7,9 = 15 days
  4. 1,4,7,9 = 9 days

 Third path is critical path because 15 days required to complete the job

solution question 1?

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