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- Can someone help me with this, In a city 20% of the population travels by car, 50% travels by bus and 10% travels by both car and bus. Then person travelling by car or bus is
In a city 20% of the population travels by car, 50% travels by bus and 10% travels by both car and bus. Then person travelling by car or bus is
- Option 1)
80%
- Option 2)
40%
- Option 3)
60%
- Option 4)
70%
Answers (1)
As we learnt in
Number of Elements in Union A & B -
n (A ∪ B) = n (A) + n (B) – n (A ∩ B)
- wherein
Given A and B be any finite sets. then Number of Elements in union A & B is given by this formula.
Thus
Option 1)
80%
Incorrect
Option 2)
40%
Incorrect
Option 3)
60%
Correct
Option 4)
70%
Incorrect
View full answer
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