In a society of 80 resident families who subscribe newspapers, 60% of them subscribe The Hindu newspaper, 80% of them subscribe regional language newspaper and 70% of them subscribe TOI. How many families could, at the least, be subscribing to all the three newspapers
(a) 0%
(b) 5%
(c) 10%
(d) 20%
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Answer Posted / gaurav nandal
The answer is 10%
ans = 100% -(100%-60%) -(100%-70%) -(100%-80%)
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