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In a city 20% of the population travels ...

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

A

0.8

B

0.4

C

0.6

D

0.7

Text Solution

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The correct Answer is:
C
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OBJECTIVE RD SHARMA-SETS-Exercise
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  6. if A={(x,y):x^(2)+y^(2)=4, x,y in R }and B={(x,y):Y=|x|, x , y in ...

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  11. if A ={x:x is a multiple of 3 } and , B={x:x is a multiple of 5 }...

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  14. An investigator interviewed 100 students to determine the performan...

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  15. two finite sets have m and n elements . The total number of subs...

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  16. In a class of 175 students the following data shows the number of stu...

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  17. if A={1,2,3,4,5},B={2,4,6}and C={3,4,6}, then (Acup B) cap C is

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  19. In a certain town 25% families own a cellphone, 15% families own a sco...

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  20. Let A be a set represented by the squares of natural numbers ...

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