There are 80 families in a small extensi...

There are 80 families in a small extension area. 20 per cent of these families own a car each. 50 per cent of the remaining families own a motor cycle each. How many families in that extension do not own any vehicle?

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The correct Answer is:

`20 % of 80 = (20)/(100) xx 80 = 16`
`50%` of remaining
`= ( 18-16) xx (50)/(100) = 32`
The families which do not own any vehicle
`= 80-(32 + 16)`
`= 80-48 = 32 `

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