All rich people in your city,

Are all the people in your locality able to have an access (water) to this?

Collection of five scholars in your city is…………….

Collect data on the success of pulse polio programme in your city.

Which of the following are sets? The Collection of rich people in India.

In a city,(1)/(6) of the people were 60years or older,(1)/(4) were under 18 years.If the total number of people in the city is 60,000 then how many people were between 18 and 60 years?