9) There were 100 people in a group. Of them43 persons can speak Hindi; 40 can speakTelugu; 45 can speak Tamil. 15 people canspeak Hindi and Tamil; 13 can speak Hindi andTelugu; 17 can speak Tamil and Telugu; 5 canspeak all three languages. Find (i) the numberof persons who can speak only Hindi, onlyTelugu and only Tamil (ii) the number ofpersons who can speak none of the threelanguages.
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Step-by-step explanation:
1. hindi= 43-15-13+5=20
telugu=40-13-17+5=15
tamil=45-17-15+5=17
2. can speak three language=
43+40+45-13-15-17+5
=98
can speak none of three language
= 120-98
= 22
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