Common Information
New Age Consultants have three consultants Gyani, Medha and Buddhi. The sum of the number of projects handled by Gyani and Buddhi individually is equal to the number of projects in which Medha is involved.
All three consultants are involved together in 6 projects. Gyani works with Medha in 14 projects. Buddhi has 2 projects with Medha but without Gyani and 3 projects with Gyani but without Medha.
The total number of projects for New Age Consultants is one less than twice the number of projects in which more than one consultant is involved.
Q26. 
Common Information Question: 2/2 What is the number of projects in which Medha alone is involved? 
A.  Uniquely equal to zero 

B.  Uniquely equal to 1 

C.  Uniquely equal to 4 

D.  Cannot be determined uniquely 
Common Information
After a successful T20 cricket tournament, Indian Premier League (IPL) is interested in launching a new variant of One Day International cricket called T40 (forty overs a side game). Indian Cricket League (ICL, a rival league of IPL) also has similar thoughts. An independent agency conducted a survey of 1000 respondents to determine the consumer preference of IPL versus ICL, and preference of T20 versus T40. Unfortunately, some of the survey information are lost. The following information is available:
Q27. 
Common Information Question: 1/2 Determine the number of respondents who prefer both T20 and ICL. 
A.  50 

B.  60 

C.  140 

D.  640 