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In a class, 60% of the students know les...

In a class, 60% of the students know lesson I, 40% know lesson II
and 20% know I and II. A student is selected of random. The
probability that the student does not know lesson I and lesson II is

A

0

B

`4//5`

C

`3//5`

D

`1//5`

Text Solution

Verified by Experts

The correct Answer is:
D
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