Question

In a city 20 percent of the population travels by car 50 percent by bus and 10 percent travels by both car

and bus. Then persons travelling by car or bus

A) 80% B) 40% C) 60% D) 705​

Answer 1

Answer:

hope it is useful for u

Answer 2

Answer:

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Here is your answer:

Let x be the total number of population

• then according to the problem,

$\huge\implies$p(car)=20% of x=x/5

$\huge\implies$p(bus)=50% of x=x/2

$\huge\implies$p(car n bus)=10% of x=x/10

since,

• p(car U bus)=p(car)+p(bus)-p(car n bus) p(car U bus)

=x/5 + x/2 - x/10=3x/5 persons ans.

• if x(population)=100

Then persons travelling by car or bus will be 60 persons.

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