Multiple choice general knowledge

WHICH ONE AMONG THE FOLLOWING OPTION WILL NOT COME UNDER VNU TREE

  1. NIELSEN

  2. CLARITAS

  3. IRI

  4. SPECTRA

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

VNU (Verenigde Nederlandse Uitgeversbedrijven) acquired Nielsen and its subsidiaries including Claritas and Spectra. IRI (Information Resources Inc.) was a separate market research company and competitor, not under the VNU corporate tree.