
There is a shortage of tubelights, bulbs and fans in a village - Kharghar. It is found that * All houses do not have either tubelight or bulb or fan. * exactly 19% of houses do not have just one of these. * atleast 67% of houses do not have tubelights. * atleast 83% of houses do not have bulbs. * atleast 73% of houses do not have fans. What percentage of houses do not have tubelight, bulb and fan?
Solution :
42% houses do not have tubelight,...