Question

D) False
.
In a class 60% passed their Physics examination and 58% passed in Mathematics. At least what percentage of
students passed both their physics and Mathematics examination?
A) 18%
B) 17%
C) 16%
D) 2%​

Answer 1

Answer:20%

Step-by-a+b=60

step explanation:

Answer 2

The correct option would be A) 18%

Step-by-step explanation:

Let P and M represents the event of passing in Physics and Math respectively,

We have,

n(P) = 60%,

n(M) = 58%,

If we are only talk about only these two subject,

n(P∪M) = 100%

We know that,

n(P∪M) = n(P) + n(M) - n(P ∩ M)

100% = 60% + 58% - n(P ∩ M)

100% = 118% - n(P ∩ M)

⇒ n(P ∩ M) = 118% - 100% = 18%

Hence, at least  18% students passed both their physics and Mathematics examination.

#Learn more:

In an examination, 58% passed in english and 68% in mathematics while 17 % failed in both the subjects. if 215 candidates passed in both the subjects, then number of candidate is

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