Q 2432634532.     A survey was conducted on a samples of 1000 persons
with reference to their knowledge of English, French
and German. The results of the survey are presen*d
in the given Venn diagram. The ratio of thepumberlof
the persons who do not know any of the three langua~es
to those who know all the three language, is

IAS 1997 Prelims
A

`1/27`

B

`1/25`

C

`1/550`

D

`175/1000`

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