In a city $20 %$ of the population travels by car, $50 %$ travels by bus and $10 %$ travels by both car and bus. Then, persons travelling by car or bus is

$80 %$

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$40 %$

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$60 %$

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$70 %$

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Solution

The correct option is C
$60 %$

Suppose C and B represents the population travel by car and bus respectively.

$n (C \cup B) = n (C) + n (B) - n (B \cap C) = 020 + 0.50 - 0.10 = 0.6 o r 60 %$

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In a city 20 percent of the population travels by car, 50 percent travels by bus and 10 percent travels by both car and bus. Then persons travelling by car or bus is

Q. In a city 20% of the population travels by car, 50% travels by bus and 10% travels by both car and bus. Then, persons travelling by car or bus is
(a) 80%
(b) 40%
(c) 60%
(d) 70%

A person travelled 160km out of 800 km by car and the rest by bus. What percentage of the distance did he travel by bus?

Directions:- Study the following information carefully to answer the question given below.

Five friends, P, Q, R, S and T travelled separately to five different cities namely Chennai, Kolkata, Delhi, Hyderabad and Mangalore by different modes of transport, i.e., by bus, train, aeroplane, car and boat from Goa.
The person who travelled to Delhi did not travel by boat. R travelled to Mangalore by car and S travelled by boat. Q travelled to Kolkata by aeroplane and T travelled by train. Goa is not connected by bus to Delhi and Chennai.

S travelled to___ by ___.

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In a city 20% of the population travels by car, 50% travels by bus and 10% travels by both car and bus. Then, persons travelling by car or bus is

The correct option is C 60% Suppose C and B represents the population travel by car and bus respectively. n(C∪B)=n(C)+n(B)−n(B∩C)=020+0.50−0.10=0.6 or 60%

In a city $20 %$ of the population travels by car, $50 %$ travels by bus and $10 %$ travels by both car and bus. Then, persons travelling by car or bus is

The correct option is C
$60 %$

Suppose C and B represents the population travel by car and bus respectively.

$n (C \cup B) = n (C) + n (B) - n (B \cap C) = 020 + 0.50 - 0.10 = 0.6 o r 60 %$