How many people read newspaper in Delhi.
In a colony, 40 people read the Hindu, 10 read the Times of India, 20 read the Economics times while 30 read some local newspaper. Draw a pie chart for different newspaper readers in the colony along with central angle. [4 MARKS]
There was a survey in a city about number of people reading newspaper A, B and C. there are 42% of people read newspaper A; 51% of people read newspaper B and 68% of people read paper C. 30% of people read both newspaper A and B. 28% reads B and C and 36% read C and A. 8% do not read any newspaper. Find the percentage of people read all the three newspaper.