Question

in an examination,35%failed in one subject and 42% failed in another subject,15% failed in both.if 2500 candidates appeared in examination,how many passed in either subject but not in both?​

Answer 1

Answer:

Heyaa♡♡

Here is the answer -

If 35 failed in A and 42 in B and 15 in both those failing in A or B but not in A and B is

p(Au(notB))+p((notA)uB)

=p(a)+p(b)-2p(AnB)

=42+35-30

=47%

Answer:- 1175

Hope it helped you.

Answer 2

Step-by-step explanation:

42+35-30

47 =

-this is true answer