In a room containing 28 people,there are 18 people who speak English,15 speak Hindi and 22 speak Kannada. 9 persons speak both English and Hindi, 11 speak both Hindi and Kannada and 13 speak both Kannada and English. How many people speak all the three languages?
A. 7
B. 9
C. 8
D. 6
Solution (By Examveda Team)
Let X was the people who speaks all three languages.
Total number of people = (Hindi + English + Kannad) - (Hindi and English + Hindi and Kannad + Kannad and English) + X
28 = (15 + 22 + 18) - (9 + 11 + 13) +X
X = 28 - 55 + 33
X = 6.
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