Question

in a city 20% of populations travel by car 50% travel by bus and 10% travel by both bus and car then find the percentage of persons travel by bus or car

Answer 1

let total no. of people travelling= 100

so 20+50+10+x=100

then,

100-80=20=x

therefore 20% travel by bus or car

Answer 2

TRAVELED BY CAR = 20%

TRAVELED BY BUS = 50%

TRAVELED BY BOTH BUS AND CAR = 10%

TRAVELED BY BUS OR CAR = 80%