N A -50- n B -20 and n A- B -10- then n A B is

The correct option is B 50 n(AΔB)=n (A∪B) n (A∩B) #160; #160; #160;[As n(A∪ B) = n(A)+ n(B) n(A ∩ B ) ] =n(A)+n(B) 2n (A∩B) ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Idea of a Set

n A =50, n B ...

Question

$n (A) = 50, n (B) = 20$ and $n (A \cap B) = 10$ , then $n (A △ B)$ is

50

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

60

No worries! We‘ve got your back. Try BYJU‘S free classes today!

70

No worries! We‘ve got your back. Try BYJU‘S free classes today!

40

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

n (A) = 50, n (B) = 20, n (A \cap B) = 10,

n (A Δ B) =

n (A) = 50, n (B) = 20, n (A \cap B) = 10,

n (A Δ B) =

U

A

B

n (A) = 50, n (B) = 60, n (A \cap B) = 20

n (A^{'} \cap B^{'}) =

n ((A \cup B)^{'})

U

A

B

n (A) = 50, n (B) = 60, n (A \cap B) = 20

n (A^{'} \cap B^{'}) =

Join BYJU'S Learning Program