If the turbulence over a period is defined by the sum of each of the differences (in absolute terms) in number of mergers & acquisitions on a year-on-year basis, then which sector is considered most turbulent for the entire period (2001 - 02 to 2006 - 07)?
Explanation:
Turbulence from 2001-02 to 2006-07
= |Number of mergers in 2001-02 – Number of acquisitions in 2001-02| + |Number of mergers in 2002-03 – Number of acquisitions in 2002-03| + … + |Number of mergers in 2006-07 – Number of acquisitions in 2006-07|
It can be seen that the overall sum of mergers and acquisitions can be calculated to find the required value of turbulence.
= |Total Number of mergers in 2001-07 – Total Number of acquisitions in 2001-07|
Considering the values of Mergers for Other services, it can be seen that the number of acquisitions is 1197. The corresponding sum for mergers is 512. The difference between the two is 685.
On calculating the total number of acquisitions for the remaining options, it can be seen that the rest of the values are < 685, and will decrease further when the number of mergers is subtracted from each of them.
Hence, Other Services had the maximum turbulence.
Hence, option (d).
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