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The report of one survey of 100 students stated that the numbers studying the various languages were sanskrit , Hindi and Tamil . H , T and S , 5 ; H and S , 10; T and S, 8; and T , 20 Sanskrit 30 , Hindi 23, Tamil 50. The Surveyor Who prepared the report was fired . Why?

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Solution:     n(Scup Hcup T)=S_1-S_2+S_3

                   n(Scup Hcup T)=(30+23+50)-(10+8+20)+5=70

             But we are given that n(Scup Hcup T)=100

             Hence he was fired.

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Deependra Verma

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