Set theory
"In a battle, 70% of the combatants lost one eye, 80% an ear, 75% an arm, 85% a leg, x% lost all four organs. Find the minimum value of x."
Plz explain the approach and the steps of the solution in detail
4 Replies
@Apu
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.You need to apply this formula P(AUB)=P(A)+P(B)-P(A intersection B) multiple times
The data is given just apply the formula
one way it maximum 30% didnt lose an eye, 20% an ear, 25% an arm, 15% a leg, max 90% didnt lose all 4 organs, so minium 10% would've lost all organs